Mercurial > hg > octave-nkf
annotate scripts/deprecated/studentize.m @ 15137:16a6b0a6855d gui
GUI: support for octave arguments and integrate with run-octave.
* src/octave.h (octave_initialize_interpreter, octave_execute_interpreter):
New functions.
(octave_cmdline_argc, octave_cmdline_argv, octave_embedded): New variables.
* src/octave.cc (octave_cmdline_argc, octave_cmdline_argv, octave_embedded):
New variables.
(octave_initialize_interpreter, octave_execute_interpreter): New functions.
(octave_main): Rewrite using them.
* run-octave.in (octave_executable): New variable.
(-gui): New option flag.
* gui/src/octave-adapter/octave-main-thread.cc (octave_main_thread::run):
Use octave_execute_interpreter.
* gui/src/octave-gui.cc (dissociate_terminal): New function.
(main): Use it. Also use octave_initialize_interpreter.
author | John W. Eaton <jwe@octave.org> |
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date | Sun, 05 Aug 2012 16:15:58 -0400 |
parents | 72c96de7a403 |
children | 1c89599167a6 |
rev | line source |
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1 ## Copyright (C) 1995-2012 Kurt Hornik |
3426 | 2 ## |
3922 | 3 ## This file is part of Octave. |
4 ## | |
5 ## Octave is free software; you can redistribute it and/or modify it | |
6 ## under the terms of the GNU General Public License as published by | |
7016 | 7 ## the Free Software Foundation; either version 3 of the License, or (at |
8 ## your option) any later version. | |
3426 | 9 ## |
3922 | 10 ## Octave is distributed in the hope that it will be useful, but |
3200 | 11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
3426 | 13 ## General Public License for more details. |
14 ## | |
3200 | 15 ## You should have received a copy of the GNU General Public License |
7016 | 16 ## along with Octave; see the file COPYING. If not, see |
17 ## <http://www.gnu.org/licenses/>. | |
3200 | 18 |
3453 | 19 ## -*- texinfo -*- |
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20 ## @deftypefn {Function File} {} studentize (@var{x}) |
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21 ## @deftypefnx {Function File} {} studentize (@var{x}, @var{dim}) |
3453 | 22 ## If @var{x} is a vector, subtract its mean and divide by its standard |
3200 | 23 ## deviation. |
24 ## | |
4885 | 25 ## If @var{x} is a matrix, do the above along the first non-singleton |
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26 ## dimension. |
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27 ## If the optional argument @var{dim} is given, operate along this dimension. |
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28 ## @seealso{center} |
3453 | 29 ## @end deftypefn |
3200 | 30 |
5428 | 31 ## Author: KH <Kurt.Hornik@wu-wien.ac.at> |
3456 | 32 ## Description: Subtract mean and divide by standard deviation |
3200 | 33 |
4885 | 34 function t = studentize (x, dim) |
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35 persistent warned = false; |
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36 if (! warned) |
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37 warned = true; |
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38 warning ("Octave:deprecated-function", |
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39 "studentize is obsolete and will be removed from a future version of Octave; please use zscore instead"); |
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40 endif |
3426 | 41 |
4885 | 42 if (nargin != 1 && nargin != 2) |
6046 | 43 print_usage (); |
3200 | 44 endif |
45 | |
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46 if (! isnumeric(x)) |
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47 error ("studentize: X must be a numeric vector or matrix"); |
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48 endif |
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49 |
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50 if (isinteger (x)) |
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51 x = double (x); |
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52 endif |
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53 |
4885 | 54 nd = ndims (x); |
55 sz = size (x); | |
56 if (nargin != 2) | |
4886 | 57 ## Find the first non-singleton dimension. |
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58 dim = find (sz > 1, 1); |
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59 if (isempty (dim)) |
4885 | 60 dim = 1; |
3200 | 61 endif |
62 else | |
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63 if (!(isscalar (dim) && dim == fix (dim)) |
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64 || !(1 <= dim && dim <= nd)) |
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65 error ("studentize: DIM must be an integer and a valid dimension"); |
4885 | 66 endif |
67 endif | |
68 | |
4886 | 69 c = sz(dim); |
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70 if (c == 0) |
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71 t = x; |
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72 else |
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73 idx = ones (1, nd); |
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74 idx(dim) = c; |
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75 t = x - repmat (mean (x, dim), idx); |
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76 t = t ./ repmat (max (cat (dim, std(t, [], dim), ! any (t, dim)), [], dim), idx); |
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77 endif |
4885 | 78 |
79 endfunction | |
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80 |
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81 %!assert(studentize ([1,2,3]), [-1,0,1]) |
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82 %!assert(studentize (int8 ([1,2,3])), [-1,0,1]) |
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83 #%!assert(studentize (ones (3,2,0,2)), zeros (3,2,0,2)) |
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84 %!assert(studentize ([2,0,-2;0,2,0;-2,-2,2]), [1,0,-1;0,1,0;-1,-1,1]) |
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85 |
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86 %% Test input validation |
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87 %!error studentize () |
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88 %!error studentize (1, 2, 3) |
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89 %!error studentize ([true true]) |
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90 %!error studentize (1, ones(2,2)) |
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91 %!error studentize (1, 1.5) |
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92 %!error studentize (1, 0) |
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93 %!error studentize (1, 3) |
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94 |