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author LYH <lyh.kernel@gmail.com>
date Fri, 27 Sep 2013 17:43:27 +0800
parents b81b9d079515
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1 ## Copyright (C) 2013 Michael D. Godfrey
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or
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6 ## modify it under the terms of the GNU General Public
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7 ## License as published by the Free Software Foundation;
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8 ## either version 3 of the License, or (at your option) any
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9 ## later version.
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10 ##
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11 ## Octave is distributed in the hope that it will be useful,
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12 ## but WITHOUT ANY WARRANTY; without even the implied
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13 ## warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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14 ## PURPOSE. See the GNU General Public License for more
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15 ## details.
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16 ##
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17 ## You should have received a copy of the GNU General Public
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18 ## License along with Octave; see the file COPYING. If not,
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19 ## see <http://www.gnu.org/licenses/>.
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20
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21
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22 ## -*- texinfo -*-
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23 ## @deftypefn {Function File} {} stemleaf (@var{x}, @var{caption})
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24 ## @deftypefnx {Function File} {} stemleaf (@var{x}, @var{caption}, @var{stem_sz})
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25 ## @deftypefnx {Function File} {@var{plotstr} =} stemleaf (@dots{})
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26 ## Compute and display a stem and leaf plot of the vector @var{x}.
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27 ##
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28 ## The input @var{x} should be a vector of integers. Any non-integer values
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29 ## will be converted to integer by @code{@var{x} = fix (@var{x})}. By default
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30 ## each element of @var{x} will be plotted with the last digit of the element
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31 ## as a leaf value and the remaining digits as the stem. For example, 123
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32 ## will be plotted with the stem @samp{12} and the leaf @samp{3}. The second
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33 ## argument, @var{caption}, should be a character array which provides a
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34 ## description of the data. It is included as a heading for the output.
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35 ##
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36 ## The optional input @var{stem_sz} sets the width of each stem.
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37 ## The stem width is determined by @code{10^(@var{stem_sz} + 1)}.
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38 ## The default stem width is 10.
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39 ##
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40 ## The output of @code{stemleaf} is composed of two parts: a
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41 ## "Fenced Letter Display," followed by the stem-and-leaf plot itself.
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42 ## The Fenced Letter Display is described in @cite{Exploratory Data Analysis}.
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43 ## Briefly, the entries are as shown:
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44 ##
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45 ## @example
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46 ## @group
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47 ##
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48 ## Fenced Letter Display
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49 ## #% nx|___________________ nx = numel (x)
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50 ## M% mi| md | mi median index, md median
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51 ## H% hi|hl hu| hs hi lower hinge index, hl,hu hinges,
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52 ## 1 |x(1) x(nx)| hs h_spreadx(1), x(nx) first
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53 ## _______ and last data value.
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54 ## ______|step |_______ step 1.5*h_spread
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55 ## f|ifl ifh| inner fence, lower and higher
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56 ## |nfl nfh| no.\ of data points within fences
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57 ## F|ofl ofh| outer fence, lower and higher
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58 ## |nFl nFh| no.\ of data points outside outer
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59 ## fences
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60 ## @end group
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61 ## @end example
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62 ##
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63 ## The stem-and-leaf plot shows on each line the stem value followed by the
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64 ## string made up of the leaf digits. If the @var{stem_sz} is not 1 the
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65 ## successive leaf values are separated by ",".
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66 ##
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67 ## With no return argument, the plot is immediately displayed. If an output
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68 ## argument is provided, the plot is returned as an array of strings.
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69 ##
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70 ## The leaf digits are not sorted. If sorted leaf values are desired, use
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71 ## @code{@var{xs} = sort (@var{x})} before calling @code{stemleaf (@var{xs})}.
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72 ##
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73 ## The stem and leaf plot and associated displays are described in:
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74 ## Ch. 3, @cite{Exploratory Data Analysis} by J. W. Tukey, Addison-Wesley, 1977.
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75 ## @seealso{hist, printd}
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76 ## @end deftypefn
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77
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78 ## Author: Michael D. Godfrey <michaeldgodfrey@gmail.com>
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79 ## Description: Compute stem and leaf plot
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80
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81 function plotstr = stemleaf (x, caption, stem_sz)
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82 ## Compute and display a stem and leaf plot of the vector x. The x
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83 ## vector is converted to integer by x = fix(x). If an output argument
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84 ## is provided, the plot is returned as an array of strings. The
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85 ## first element is the heading followed by an element for each stem.
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86 ##
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87 ## The default stem step is 10. If stem_sz is provided the stem
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88 ## step is set to: 10^(stem_sz+1). The x vector should be integers.
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89 ## It will be treated so that the last digit is the leaf value and the
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90 ## other digits are the stems.
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91 ##
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92 ## When we first implemented stem and leaf plots in the early 1960's
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93 ## there was some discussion about sorting vs. leaving the leaf
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94 ## entries in the original order in the data. We decided in favor of
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95 ## sorting the leaves for most purposes. This is the choice
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96 ## implemented in the SNAP/IEDA system that was written at that time.
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97 ##
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98 ## SNAP/IEDA, and particularly its stem and leaf plotting, were further
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99 ## developed by Hale Trotter, David Hoagland (at Princeton and MIT),
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100 ## and others.
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101 ##
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102 ## Tukey, in EDA, generally uses unsorted leaves. In addition, he
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103 ## described a wide range of additional display formats. This
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104 ## implementation does not sort the leaves, but if the x vector is
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105 ## sorted then the leaves come out sorted. A simple display format is
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106 ## used.
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107 ##
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108 ## I doubt if providing other options is worthwhile. The code can
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109 ## quite easily be modified to provide specific display results. Or,
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110 ## the returned output string can be edited. The returned output is an
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111 ## array of strings with each row containing a line of the plot
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112 ## preceded by the lines of header text as the first row. This
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113 ## facilitates annotation.
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114 ##
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115 ## Note that the code has some added complexity due to the need to
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116 ## distinguish both + and - 0 stems. The +- stem values are essential
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117 ## for all plots which span 0. After dealing with +-0 stems, the added
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118 ## complexity of putting +- data values in the correct stem is minor,
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119 ## but the sign of 0 leaves must be checked. And, the cases where the
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120 ## stems start or end at +- 0 must also be considered.
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121 ##
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122 ## The fact that IEEE floating point defines +- 0 helps make this
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123 ## easier.
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124 ##
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125 ## Michael D. Godfrey January 2013
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126
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127 ## More could be implemented for better data scaling. And, of course,
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128 ## other options for the kinds of plots described by Tukey could be
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129 ## provided. This may best be left to users.
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130
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131 if (nargin < 2 || nargin > 3)
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132 print_usage ();
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133 endif
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134
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135 if (! isvector (x))
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136 error ("stemleaf: X must be a vector");
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137 endif
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138
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139 if (isinteger (x))
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140 ## Avoid use of integers because rounding rules do not use fix():
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141 ## Example: floor (int32 (-44)/10) == -4, floor (int32 (-46)/10) = -5 !!!
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142 x = single (x);
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143 elseif (isfloat (x))
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144 xint = fix (x);
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145 if (any (x != xint))
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146 warning ("stemleaf: X truncated to integer values");
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147 x = xint;
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148 endif
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149 else
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150 error ("stemleaf: X must be a numeric vector");
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151 endif
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152
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153 if (! ischar (caption))
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154 error ("stemleaf: CAPTION must be a character array");
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155 endif
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156
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157 if (nargin == 2)
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158 stem_step = 10;
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159 else
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160 if (isscalar (stem_sz) && stem_sz >= 0 && isreal (stem_sz))
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161 stem_sz = fix (stem_sz);
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162 stem_step = 10^(stem_sz+1);
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163 else
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164 error ("stemleaf: STEM_SZ must be a real integer >= 0");
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165 endif
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166 endif
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167
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168 ## Note that IEEE 754 states that -+ 0 should compare equal. This has
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169 ## led to C sort (and therefore Octave) treating them as equal. Thus,
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170 ## sort([-1 0 -0 1]) yields [-1 0 -0 1], and sort([-1 -0 0 1])
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171 ## yields: [-1 -0 0 1]. This means that stem-and-leaf plotting cannot
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172 ## rely on sort to order the data as needed for display.
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173 ## This also applies to min()/max() so these routines can't be relied
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174 ## upon if the max or min is -+ 0.
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175
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176 ## Compute hinges and fences based on ref: EDA pgs. 33 and 44.
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177 ## Note that these outlier estimates are meant to be "distribution free".
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178
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179 nx = numel (x);
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180 xs = sort (x); # Note that sort preserves -0
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181 mdidx = fix ((nx + 1)/2); # median index
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182 hlidx = fix ((mdidx + 1)/2); # lower hinge index
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183 huidx = fix (nx + 1 - hlidx); # upper hinge index
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184 md = xs(mdidx); # median
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185 hl = xs(hlidx); # lower hinge
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186 hu = xs(huidx); # upper hinge
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187 h_spread = hu - hl; # h_spread: difference between hinges
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188 step = 1.5*h_spread; # step: 1.5 * h_spread
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189 i_fence_l = hl - step; # inner fences: outside hinges + step
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190 o_fence_l = hl - 2*step; # outer fences: outside hinges + 2*step
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191 i_fence_h = hu + step;
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192 o_fence_h = hu + 2*step;
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193 n_out_l = sum (x<i_fence_l) - sum (x<o_fence_l);
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194 n_out_h = sum (x>i_fence_h) - sum (x>o_fence_h);
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195 n_far_l = sum (x<o_fence_l);
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196 n_far_h = sum (x>o_fence_h);
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197
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198 ## display table similar to that on pg. 33
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199 plot_out = sprintf (" Data: %s", caption);
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200 plot_out = [plot_out; sprintf(" ")];
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201 plot_out = [plot_out; sprintf(" Fenced Letter Display")];
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202 plot_out = [plot_out; sprintf(" ")];
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203 plot_out = [plot_out; sprintf(" #%3d|___________________", nx)];
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204 plot_out = [plot_out; sprintf(" M%3d| %5d |", mdidx, md)];
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205 plot_out = [plot_out; sprintf(" H%3d|%5d %5d| %d", hlidx, hl, hu, h_spread)];
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206 plot_out = [plot_out; sprintf(" 1 |%5d %5d|", xs(1), xs(nx))];
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207 plot_out = [plot_out; sprintf(" _______")];
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208 plot_out = [plot_out; sprintf(" ______|%5d|_______",step)];
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209 plot_out = [plot_out; sprintf(" f|%5d %5d|", i_fence_l, i_fence_h)];
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210 plot_out = [plot_out; sprintf(" |%5d %5d| out", n_out_l, n_out_h)];
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211 plot_out = [plot_out; sprintf(" F|%5d %5g|", o_fence_l, o_fence_h)];
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212 plot_out = [plot_out; sprintf(" |%5d %5d| far",n_far_l,n_far_h)];
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213 plot_out = [plot_out; " "];
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214
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215 ## Determine stem values
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216 min_x = min (x);
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217 max_x = max (x);
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218 if (min_x > 0) # all stems > 0
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219 stems = [fix(min(x)/stem_step) : (fix(max(x)/stem_step)+1)];
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220 elseif (max_x < 0) # all stems < 0
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221 stems = [(fix(min_x/stem_step)-1) : fix(max_x/stem_step)];
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222 elseif (min_x < 0 && max_x > 0) # range crosses 0
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223 stems = [(fix(min_x/stem_step)-1) : -0, 0 : fix(max_x/stem_step)+1 ];
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224 else # one endpoint is a zero which may be +0 or -0
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225 if (min_x == 0)
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226 if (any (x == 0 & signbit (x)))
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227 min_x = -0;
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228 else
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229 min_x = +0;
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230 endif
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231 endif
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232 if (max_x == 0)
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233 if (any (x == 0 & ! signbit (x)))
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234 max_x = +0;
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235 else
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236 max_x = -0;
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237 endif
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238 endif
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239 stems = [];
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240 if (signbit (min_x))
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241 stems = [(fix(min_x/stem_step)-1) : -0];
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242 endif
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243 if (! signbit (max_x))
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244 stems = [stems, 0 : fix(max_x/stem_step)+1 ];
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245 endif
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246 endif
16006
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247
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248 ## Vectorized version provided by Rik Wehbring (rik@octave.org)
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249 ## Determine leaves for each stem:
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250 new_line = 1;
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251 for kx = 2: numel (stems)
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252
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253 stem_sign = signbit (stems(kx));
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254 if (stems(kx) <= 0)
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255 idx = ((x <= stems(kx)*stem_step) & (x > (stems(kx-1)*stem_step))
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256 & (signbit (x) == stem_sign));
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257 xlf = abs (x(idx) - stems(kx)*stem_step);
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258 else
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259 idx = ((x < stems(kx)*stem_step) & (x >= (stems(kx-1)*stem_step))
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260 & (signbit (x) == stem_sign));
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261 xlf = abs (x(idx) - stems(kx-1)*stem_step);
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262 endif
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263 ## Convert leaves to a string
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264 if (stem_step == 10)
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265 lf_str = sprintf ("%d", xlf);
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266 else
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267 lf_str = "";
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268 if (! isempty (xlf))
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269 lf_str = sprintf ("%d", xlf(1));
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270 if (numel (xlf) > 1)
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diff changeset
271 lf_str = [lf_str sprintf(",%d", xlf(2:end))];
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272 endif
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273 endif
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
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diff changeset
274 endif
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275
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diff changeset
276 ## Set correct -0
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diff changeset
277 if (stems(kx) == 0 && signbit (stems(kx)))
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diff changeset
278 line = sprintf (" -0 | %s", lf_str); # -0 stem.
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279 elseif (stems(kx) < 0)
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diff changeset
280 line = sprintf ("%4d | %s", stems(kx), lf_str);
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281 elseif (stems(kx) > 0)
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diff changeset
282 line = sprintf ("%4d | %s", stems(kx-1), lf_str);
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283 else
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284 line = "";
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Michael Godfrey <michaeldgodfrey@gmail.com>
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285 endif
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Michael Godfrey <michaeldgodfrey@gmail.com>
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diff changeset
286
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diff changeset
287 if (! isempty (lf_str) || stems(kx) == 0 || stems(kx-1) == 0)
16180
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diff changeset
288 plot_out = [plot_out; line];
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diff changeset
289 new_line = 1;
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Michael Godfrey <michaeldgodfrey@gmail.com>
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diff changeset
290 else
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Michael Godfrey <michaeldgodfrey@gmail.com>
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diff changeset
291 if (new_line == 1)
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diff changeset
292 plot_out = [plot_out; " :"]; # just print one : if no leaves
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diff changeset
293 new_line = 0;
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Michael Godfrey <michaeldgodfrey@gmail.com>
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diff changeset
294 endif
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Michael Godfrey <michaeldgodfrey@gmail.com>
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diff changeset
295 endif
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
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diff changeset
296
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Michael Godfrey <michaeldgodfrey@gmail.com>
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diff changeset
297 endfor # kx = 2: numel (stems)
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diff changeset
298
16005
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Michael Godfrey <michaeldgodfrey@gmail.com>
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diff changeset
299 if (nargout == 0)
16180
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diff changeset
300 disp (plot_out);
16005
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diff changeset
301 else
16180
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diff changeset
302 plotstr = plot_out;
16005
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diff changeset
303 endif
16181
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Rik <rik@octave.org>
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diff changeset
304
16005
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
305 endfunction
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
306
16180
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diff changeset
307
16005
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parents:
diff changeset
308 %!demo
16828
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diff changeset
309 %! %% Unsorted plot:
16005
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parents:
diff changeset
310 %! x = [-22 12 -28 52 39 -2 12 10 11 11 42 38 44 18 44];
16828
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diff changeset
311 %! stemleaf (x, 'Unsorted plot');
16005
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Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
312
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
313 %!demo
16828
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Rik <rik@octave.org>
parents: 16573
diff changeset
314 %! %% Sorted leaves:
16005
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parents:
diff changeset
315 %! x = [-22 12 -28 52 39 -2 12 10 11 11 42 38 44 18 44];
16180
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diff changeset
316 %! y = sort (x);
16828
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diff changeset
317 %! stemleaf (y, 'Sorted leaves');
16005
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
318
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
319 %!demo
16828
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Rik <rik@octave.org>
parents: 16573
diff changeset
320 %! %% Sorted leaves (large dataset):
ddac88d32d6a Make demos in plot m-files compatible with Matlab for running comparison script.
Rik <rik@octave.org>
parents: 16573
diff changeset
321 %! x = [-22 12 -28 52 39 -2 12 10 11 11 42 38 44 18 44 37 113 124 37 48 ...
ddac88d32d6a Make demos in plot m-files compatible with Matlab for running comparison script.
Rik <rik@octave.org>
parents: 16573
diff changeset
322 %! 127 36 29 31 125 139 131 115 105 132 104 123 35 113 122 42 117 119 ...
ddac88d32d6a Make demos in plot m-files compatible with Matlab for running comparison script.
Rik <rik@octave.org>
parents: 16573
diff changeset
323 %! 58 109 23 105 63 27 44 105 99 41 128 121 116 125 32 61 37 127 29 113 ...
ddac88d32d6a Make demos in plot m-files compatible with Matlab for running comparison script.
Rik <rik@octave.org>
parents: 16573
diff changeset
324 %! 121 58 114 126 53 114 96 25 109 7 31 141 46 -13 71 43 117 116 27 7 ...
ddac88d32d6a Make demos in plot m-files compatible with Matlab for running comparison script.
Rik <rik@octave.org>
parents: 16573
diff changeset
325 %! 68 40 31 115 124 42 128 52 71 118 117 38 27 106 33 117 116 111 40 ...
ddac88d32d6a Make demos in plot m-files compatible with Matlab for running comparison script.
Rik <rik@octave.org>
parents: 16573
diff changeset
326 %! 119 47 105 57 122 109 124 115 43 120 43 27 27 18 28 48 125 107 114 ...
ddac88d32d6a Make demos in plot m-files compatible with Matlab for running comparison script.
Rik <rik@octave.org>
parents: 16573
diff changeset
327 %! 34 133 45 120 30 127 31 116 146 21 23 30 10 20 21 30 0 100 110 1 20 ...
ddac88d32d6a Make demos in plot m-files compatible with Matlab for running comparison script.
Rik <rik@octave.org>
parents: 16573
diff changeset
328 %! 0];
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
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diff changeset
329 %! y = sort (x);
16828
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Rik <rik@octave.org>
parents: 16573
diff changeset
330 %! stemleaf (y, 'Sorted leaves (large dataset)');
16180
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Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
331
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
332 %!demo
16828
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Rik <rik@octave.org>
parents: 16573
diff changeset
333 %! %% Gaussian leaves:
16180
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Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
334 %! x = fix (30 * randn (300,1));
17026
be52288f827b Tweak some plotting demos for messages and spelling.
Rik <rik@octave.org>
parents: 16828
diff changeset
335 %! stemleaf (x, 'Gaussian leaves');
16005
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
336
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
337 %!test
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
338 %! ## test minus to plus
17253
7babcdb9bc13 Use ... instead of \ for line continuation marker.
Stefan Mahr <dac922@gmx.de>
parents: 17026
diff changeset
339 %! x = [-22 12 -28 52 39 -2 12 10 11 11 42 38 44 18 44 37 113 124 37 48 127 ...
7babcdb9bc13 Use ... instead of \ for line continuation marker.
Stefan Mahr <dac922@gmx.de>
parents: 17026
diff changeset
340 %! 36 29 31 125 139 131 115 105 132 104 123 35 113 122 42 117 119 58 109 ...
7babcdb9bc13 Use ... instead of \ for line continuation marker.
Stefan Mahr <dac922@gmx.de>
parents: 17026
diff changeset
341 %! 23 105 63 27 44 105 99 41 128 121 116 125 32 61 37 127 29 113 121 58 ...
7babcdb9bc13 Use ... instead of \ for line continuation marker.
Stefan Mahr <dac922@gmx.de>
parents: 17026
diff changeset
342 %! 114 126 53 114 96 25 109 7 31 141 46 -13 71 43 117 116 27 7 68 40 31 ...
7babcdb9bc13 Use ... instead of \ for line continuation marker.
Stefan Mahr <dac922@gmx.de>
parents: 17026
diff changeset
343 %! 115 124 42 128 52 71 118 117 38 27 106 33 117 116 111 40 119 47 105 57 ...
7babcdb9bc13 Use ... instead of \ for line continuation marker.
Stefan Mahr <dac922@gmx.de>
parents: 17026
diff changeset
344 %! 122 109 124 115 43 120 43 27 27 18 28 48 125 107 114 34 133 45 120 30 ...
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
345 %! 127 31 116 146 21 23 30 10 20 21 30 0 100 110 1 20 0];
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
346 %! x = sort (x);
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
347 %! rexp = char (
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
348 %! " Data: test minus to plus" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
349 %! " " ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
350 %! " Fenced Letter Display" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
351 %! " " ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
352 %! " #138|___________________" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
353 %! " M 69| 52 |" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
354 %! " H 35| 30 116| 86" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
355 %! " 1 | -28 146|" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
356 %! " _______" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
357 %! " ______| 129|_______" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
358 %! " f| -99 245|" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
359 %! " | 0 0| out" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
360 %! " F| -228 374|" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
361 %! " | 0 0| far" ,
16181
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
362 %! " " ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
363 %! " -2 | 82" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
364 %! " -1 | 3" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
365 %! " -0 | 2" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
366 %! " 0 | 00177" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
367 %! " 1 | 00112288" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
368 %! " 2 | 001133577777899" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
369 %! " 3 | 000111123456777889" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
370 %! " 4 | 00122233344456788" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
371 %! " 5 | 223788" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
372 %! " 6 | 138" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
373 %! " 7 | 11" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
374 %! " : " ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
375 %! " 9 | 69" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
376 %! " 10 | 04555567999" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
377 %! " 11 | 0133344455566667777899" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
378 %! " 12 | 0011223444555677788" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
379 %! " 13 | 1239" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
380 %! " 14 | 16" );
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
381 %! r = stemleaf (x, "test minus to plus", 0);
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
382 %! assert (r, rexp);
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
383
16005
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
384 %!test
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
385 %! ## positive values above 0
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
386 %! x = [5 22 12 28 52 39 12 11 11 42 38 44 18 44];
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
387 %! rexp = char (
16181
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
388 %! " Data: positive values above 0",
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
389 %! " " ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
390 %! " Fenced Letter Display" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
391 %! " " ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
392 %! " # 14|___________________" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
393 %! " M 7| 22 |" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
394 %! " H 4| 12 42| 30" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
395 %! " 1 | 5 52|" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
396 %! " _______" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
397 %! " ______| 45|_______" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
398 %! " f| -33 87|" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
399 %! " | 0 0| out" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
400 %! " F| -78 132|" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
401 %! " | 0 0| far" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
402 %! " " ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
403 %! " 0 | 5" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
404 %! " 1 | 22118" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
405 %! " 2 | 28" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
406 %! " 3 | 98" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
407 %! " 4 | 244" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
408 %! " 5 | 2" );
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
409 %! r = stemleaf (x, "positive values above 0");
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
410 %! assert (r, rexp);
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
411
16005
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
412 %!test
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
413 %! ## negative values below 0
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
414 %! x = [5 22 12 28 52 39 12 11 11 42 38 44 18 44];
16005
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
415 %! x = -x;
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
416 %! rexp = char (
16181
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
417 %! " Data: negative values below 0",
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
418 %! " " ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
419 %! " Fenced Letter Display" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
420 %! " " ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
421 %! " # 14|___________________" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
422 %! " M 7| -28 |" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
423 %! " H 4| -42 -12| 30" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
424 %! " 1 | -52 -5|" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
425 %! " _______" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
426 %! " ______| 45|_______" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
427 %! " f| -87 33|" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
428 %! " | 0 0| out" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
429 %! " F| -132 78|" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
430 %! " | 0 0| far" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
431 %! " " ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
432 %! " -5 | 2" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
433 %! " -4 | 244" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
434 %! " -3 | 98" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
435 %! " -2 | 28" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
436 %! " -1 | 22118" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
437 %! " -0 | 5" );
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
438 %! r = stemleaf (x, "negative values below 0");
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
439 %! assert (r, rexp);
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
440
16005
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
441 %!test
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
442 %! ## positive values from 0
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
443 %! x = [22 12 28 52 39 2 12 0 11 11 42 38 44 18 44];
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
444 %! rexp = char (
16181
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
445 %! " Data: positive values from 0",
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
446 %! " " ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
447 %! " Fenced Letter Display" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
448 %! " " ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
449 %! " # 15|___________________" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
450 %! " M 8| 22 |" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
451 %! " H 4| 11 42| 31" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
452 %! " 1 | 0 52|" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
453 %! " _______" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
454 %! " ______| 46|_______" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
455 %! " f| -35 88|" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
456 %! " | 0 0| out" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
457 %! " F| -82 135|" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
458 %! " | 0 0| far" ,
16181
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
459 %! " " ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
460 %! " 0 | 20" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
461 %! " 1 | 22118" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
462 %! " 2 | 28" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
463 %! " 3 | 98" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
464 %! " 4 | 244" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
465 %! " 5 | 2" );
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
466 %! r = stemleaf (x, "positive values from 0");
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
467 %! assert (r, rexp);
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
468
16005
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
469 %!test
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
470 %! ## negative values from 0
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
471 %! x = [22 12 28 52 39 2 12 0 11 11 42 38 44 18 44];
16005
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
472 %! x = -x;
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
473 %! rexp = char (
16181
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
474 %! " Data: negative values from 0",
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
475 %! " " ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
476 %! " Fenced Letter Display" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
477 %! " " ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
478 %! " # 15|___________________" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
479 %! " M 8| -22 |" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
480 %! " H 4| -42 -11| 31" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
481 %! " 1 | -52 0|" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
482 %! " _______" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
483 %! " ______| 46|_______" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
484 %! " f| -88 35|" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
485 %! " | 0 0| out" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
486 %! " F| -135 82|" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
487 %! " | 0 0| far" ,
16181
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
488 %! " " ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
489 %! " -5 | 2" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
490 %! " -4 | 244" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
491 %! " -3 | 98" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
492 %! " -2 | 28" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
493 %! " -1 | 22118" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
494 %! " -0 | 20" );
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
495 %! r = stemleaf (x, "negative values from 0");
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
496 %! assert (r, rexp);
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
497
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
498 %!test
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
499 %! ## both +0 and -0 present
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
500 %! x = [-9 -7 -0 0 -0];
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
501 %! rexp = char (
16181
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
502 %! " Data: both +0 and -0 present",
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
503 %! " " ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
504 %! " Fenced Letter Display" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
505 %! " " ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
506 %! " # 5|___________________" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
507 %! " M 3| 0 |" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
508 %! " H 2| -7 0| 7" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
509 %! " 1 | -9 0|" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
510 %! " _______" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
511 %! " ______| 10|_______" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
512 %! " f| -17 10|" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
513 %! " | 0 0| out" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
514 %! " F| -28 21|" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
515 %! " | 0 0| far" ,
16181
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
516 %! " " ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
517 %! " -0 | 9700" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
518 %! " 0 | 0" );
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
519 %! r = stemleaf (x, "both +0 and -0 present");
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
520 %! assert (r, rexp);
16005
369b173d6c16 provide stemleaf.m and printd.m
Michael Godfrey <michaeldgodfrey@gmail.com>
parents:
diff changeset
521
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
522 %!test
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
523 %! ## both <= 0 and -0 present
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
524 %! x = [-9 -7 0 -0];
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
525 %! rexp = char (
16181
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
526 %! " Data: both <= 0 and -0 present",
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
527 %! " " ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
528 %! " Fenced Letter Display" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
529 %! " " ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
530 %! " # 4|___________________" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
531 %! " M 2| -7 |" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
532 %! " H 1| -9 0| 9" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
533 %! " 1 | -9 0|" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
534 %! " _______" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
535 %! " ______| 13|_______" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
536 %! " f| -22 13|" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
537 %! " | 0 0| out" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
538 %! " F| -36 27|" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
539 %! " | 0 0| far" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
540 %! " " ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
541 %! " -0 | 970" ,
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
542 %! " 0 | 0" );
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
543 %! r = stemleaf (x, "both <= 0 and -0 present");
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
544 %! assert (r, rexp);
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
545
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
546 %!test
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
547 %! ## Example from EDA: Chevrolet Prices pg. 30
16828
ddac88d32d6a Make demos in plot m-files compatible with Matlab for running comparison script.
Rik <rik@octave.org>
parents: 16573
diff changeset
548 %! x = [150 250 688 695 795 795 895 895 895 ...
ddac88d32d6a Make demos in plot m-files compatible with Matlab for running comparison script.
Rik <rik@octave.org>
parents: 16573
diff changeset
549 %! 1099 1166 1333 1499 1693 1699 1775 1995];
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
550 %! rexp = char (
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
551 %! " Data: Chevrolet Prices EDA pg.30",
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
552 %! " " ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
553 %! " Fenced Letter Display" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
554 %! " " ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
555 %! " # 17|___________________" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
556 %! " M 9| 895 |" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
557 %! " H 5| 795 1499| 704" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
558 %! " 1 | 150 1995|" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
559 %! " _______" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
560 %! " ______| 1056|_______" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
561 %! " f| -261 2555|" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
562 %! " | 0 0| out" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
563 %! " F|-1317 3611|" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
564 %! " | 0 0| far" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
565 %! " " ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
566 %! " 1 | 50" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
567 %! " 2 | 50" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
568 %! " :" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
569 %! " 6 | 88,95" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
570 %! " 7 | 95,95" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
571 %! " 8 | 95,95,95" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
572 %! " :" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
573 %! " 10 | 99" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
574 %! " 11 | 66" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
575 %! " :" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
576 %! " 13 | 33" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
577 %! " 14 | 99" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
578 %! " :" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
579 %! " 16 | 93,99" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
580 %! " 17 | 75" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
581 %! " :" ,
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
582 %! " 19 | 95" );
16181
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
583 %! r = stemleaf (x, "Chevrolet Prices EDA pg.30", 1);
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
584 %! assert (r, rexp);
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
585
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
586 ## Test input validation
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
587 %!error stemleaf ()
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
588 %!error stemleaf (1, 2, 3, 4)
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
589 %!error <X must be a vector> stemleaf (ones (2,2), "")
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
590 %!warning <X truncated to integer values> tmp = stemleaf ([0 0.5 1],"");
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
591 %!error <X must be a numeric vector> stemleaf ("Hello World", "data")
16181
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
592 %!error <CAPTION must be a character array> stemleaf (1, 2)
16180
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
593 %!error <STEM_SZ must be a real integer> stemleaf (1, "", ones (2,2))
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
594 %!error <STEM_SZ must be a real integer> stemleaf (1, "", -1)
3e6d15a2a50b Update stemleaf to provide new features and minor fix to printd
Michael Godfrey <michaeldgodfrey@gmail.com>
parents: 16087
diff changeset
595 %!error <STEM_SZ must be a real integer> stemleaf (1, "", 1+i)
16181
0f0e970723ec stemleaf.m: Use Octave coding conventions, remove unused variables.
Rik <rik@octave.org>
parents: 16180
diff changeset
596