Mercurial > hg > octave-nkf
annotate scripts/plot/pareto.m @ 14846:460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Example: func() => func ()
* dynamic.txi, func.txi, oop.txi, var.txi, embedded.cc, fortdemo.cc,
funcdemo.cc, paramdemo.cc, stringdemo.cc, unwinddemo.cc, Array.cc, Array.h,
CColVector.cc, CDiagMatrix.h, CMatrix.cc, CNDArray.cc, CRowVector.cc,
CSparse.cc, CmplxGEPBAL.cc, EIG.cc, MSparse.cc, MatrixType.cc,
Sparse-op-defs.h, Sparse-perm-op-defs.h, Sparse.cc, Sparse.h,
SparseCmplxCHOL.cc, SparseCmplxCHOL.h, SparseCmplxLU.cc, SparseCmplxQR.cc,
SparseCmplxQR.h, SparseQR.cc, SparseQR.h, SparsedbleCHOL.cc, SparsedbleCHOL.h,
SparsedbleLU.cc, SparsedbleLU.h, base-lu.cc, cmd-hist.cc, dColVector.cc,
dDiagMatrix.h, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, dbleCHOL.cc,
dbleGEPBAL.cc, dim-vector.cc, eigs-base.cc, f2c-main.c, fCColVector.cc,
fCDiagMatrix.h, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fCmplxGEPBAL.cc,
fColVector.cc, fDiagMatrix.h, fEIG.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc,
file-ops.cc, file-stat.cc, floatCHOL.cc, floatGEPBAL.cc, idx-vector.h,
lo-specfun.cc, lo-sysdep.cc, mx-inlines.cc, oct-binmap.h, oct-convn.cc,
oct-md5.cc, oct-mem.h, oct-rand.cc, oct-syscalls.cc, randgamma.c, randmtzig.c,
sparse-base-chol.cc, sparse-base-chol.h, sparse-base-lu.cc, sparse-dmsolve.cc,
tempname.c, curl.m, divergence.m, randi.m, dlmwrite.m, edit.m, getappdata.m,
what.m, getarchdir.m, install.m, installed_packages.m, repackage.m,
unload_packages.m, colorbar.m, figure.m, isosurface.m, legend.m, loglog.m,
plot.m, plot3.m, plotyy.m, polar.m, __errplot__.m, __ghostscript__.m,
__marching_cube__.m, __plt__.m, __scatter__.m, semilogx.m, semilogy.m,
trimesh.m, trisurf.m, demo.m, test.m, datetick.m, __delaunayn__.cc,
__dsearchn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc,
__lin_interpn__.cc, __magick_read__.cc, __pchip_deriv__.cc, balance.cc,
bsxfun.cc, ccolamd.cc, cellfun.cc, chol.cc, daspk.cc, dasrt.cc, dassl.cc,
dmperm.cc, eig.cc, eigs.cc, fftw.cc, filter.cc, find.cc, kron.cc, lookup.cc,
lsode.cc, matrix_type.cc, md5sum.cc, mgorth.cc, qr.cc, quad.cc, rand.cc,
regexp.cc, symbfact.cc, tril.cc, urlwrite.cc, op-bm-bm.cc, op-cdm-cdm.cc,
op-cell.cc, op-chm.cc, op-cm-cm.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-scm.cc,
op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-fcdm-fcdm.cc,
op-fcm-fcm.cc, op-fdm-fdm.cc, op-fm-fm.cc, op-int.h, op-m-m.cc, op-m-scm.cc,
op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-range.cc, op-s-scm.cc,
op-s-sm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc,
op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc,
op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-str.cc, op-struct.cc, bitfcns.cc,
data.cc, debug.cc, dynamic-ld.cc, error.cc, gl-render.cc, graphics.cc,
graphics.in.h, load-path.cc, ls-hdf5.cc, ls-mat5.cc, ls-mat5.h,
ls-oct-ascii.cc, ls-oct-ascii.h, mex.cc, mk-errno-list, oct-map.cc, oct-obj.h,
oct-parse.yy, octave-config.in.cc, ov-base-int.cc, ov-base-mat.cc, ov-base.cc,
ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-cell.cc, ov-class.cc,
ov-class.h, ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-flt-cx-mat.cc,
ov-flt-re-mat.cc, ov-intx.h, ov-range.h, ov-re-mat.cc, ov-re-sparse.cc,
ov-str-mat.cc, ov-struct.cc, ov-usr-fcn.h, ov.h, pr-output.cc, pt-id.cc,
pt-id.h, pt-mat.cc, pt-select.cc, sparse.cc, symtab.cc, symtab.h, syscalls.cc,
toplev.cc, txt-eng-ft.cc, variables.cc, zfstream.cc, zfstream.h, Dork.m,
getStash.m, myStash.m, Gork.m, Pork.m, myStash.m, getStash.m, myStash.m,
getStash.m, myStash.m, fntests.m: Use Octave coding convention for
cuddled parenthis in function calls with empty argument lists.
| author | Rik <octave@nomad.inbox5.com> |
|---|---|
| date | Sun, 08 Jul 2012 11:28:50 -0700 |
| parents | 4506eade9f04 |
| children | 5d3a684236b0 |
| rev | line source |
|---|---|
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1 ## Copyright (C) 2007-2012 David Bateman |
| 7220 | 2 ## Copyright (C) 2003 Alberto Terruzzi |
| 3 ## | |
| 4 ## This file is part of Octave. | |
| 5 ## | |
| 6 ## Octave is free software; you can redistribute it and/or modify it | |
| 7 ## under the terms of the GNU General Public License as published by | |
| 8 ## the Free Software Foundation; either version 3 of the License, or (at | |
| 9 ## your option) any later version. | |
| 10 ## | |
| 11 ## Octave is distributed in the hope that it will be useful, but | |
| 12 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 ## General Public License for more details. | |
| 15 ## | |
| 16 ## You should have received a copy of the GNU General Public License | |
| 17 ## along with Octave; see the file COPYING. If not, see | |
| 18 ## <http://www.gnu.org/licenses/>. | |
| 19 | |
| 20 ## -*- texinfo -*- | |
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21 ## @deftypefn {Function File} {} pareto (@var{x}) |
| 7220 | 22 ## @deftypefnx {Function File} {} pareto (@var{x}, @var{y}) |
| 23 ## @deftypefnx {Function File} {} pareto (@var{h}, @dots{}) | |
| 24 ## @deftypefnx {Function File} {@var{h} =} pareto (@dots{}) | |
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25 ## Draw a Pareto chart, also called ABC chart. A Pareto chart is a bar graph |
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26 ## used to arrange information in such a way that priorities for process |
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27 ## improvement can be established. It organizes and displays information |
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28 ## to show the relative importance of data. The chart is similar to the |
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29 ## histogram or bar chart, except that the bars are arranged in decreasing |
| 7220 | 30 ## order from left to right along the abscissa. |
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31 ## |
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32 ## The fundamental idea (Pareto principle) behind the use of Pareto |
| 7220 | 33 ## diagrams is that the majority of an effect is due to a small subset of the |
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34 ## causes, so for quality improvement the first few (as presented on the |
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35 ## diagram) contributing causes to a problem usually account for the majority |
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36 ## of the result. Thus, targeting these "major causes" for elimination |
| 7220 | 37 ## results in the most cost-effective improvement scheme. |
| 38 ## | |
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39 ## The data are passed as @var{x} and the abscissa as @var{y}. If @var{y} is |
| 7220 | 40 ## absent, then the abscissa are assumed to be @code{1 : length (@var{x})}. |
| 41 ## @var{y} can be a string array, a cell array of strings or a numerical | |
| 42 ## vector. | |
| 43 ## | |
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44 ## The optional return value @var{h} is a 2-element vector with a graphics |
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45 ## handle for the created bar plot and a second handle for the created line |
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46 ## plot. |
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47 ## |
| 7220 | 48 ## An example of the use of @code{pareto} is |
| 49 ## | |
| 50 ## @example | |
| 51 ## @group | |
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52 ## Cheese = @{"Cheddar", "Swiss", "Camembert", ... |
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53 ## "Munster", "Stilton", "Blue"@}; |
| 7220 | 54 ## Sold = [105, 30, 70, 10, 15, 20]; |
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55 ## pareto (Sold, Cheese); |
| 7220 | 56 ## @end group |
| 57 ## @end example | |
| 58 ## @end deftypefn | |
| 59 | |
| 60 function h = pareto (varargin) | |
| 61 | |
| 62 if (nargin != 1 && nargin != 2) | |
| 63 print_usage (); | |
| 64 endif | |
| 65 | |
| 66 x = varargin {1}(:).'; | |
| 67 if (nargin == 2) | |
| 68 y = varargin {2}(:).'; | |
| 69 if (! iscell (y)) | |
| 70 if (ischar (y)) | |
| 10549 | 71 y = cellstr (y); |
| 7220 | 72 else |
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73 y = cellfun ("num2str", num2cell (y), "uniformoutput", false); |
| 7220 | 74 endif |
| 75 endif | |
| 76 else | |
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77 y = cellfun ("int2str", num2cell (1 : numel(x)), |
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78 "uniformoutput", false); |
| 7220 | 79 endif |
| 80 | |
| 81 [x, idx] = sort (x, "descend"); | |
| 82 y = y (idx); | |
| 83 cdf = cumsum (x); | |
| 7221 | 84 maxcdf = max(cdf); |
| 85 cdf = cdf ./ maxcdf; | |
| 7228 | 86 cdf95 = cdf - 0.95; |
| 87 idx95 = find(sign(cdf95(1:end-1)) != sign(cdf95(2:end)))(1); | |
| 7220 | 88 |
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89 [ax, hbar, hline] = plotyy (1 : idx95, x (1 : idx95), |
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90 1 : length(cdf), 100 .* cdf, |
| 10549 | 91 @bar, @plot); |
| 7220 | 92 |
| 93 axis (ax(1), [1 - 0.6, idx95 + 0.6, 0, maxcdf]); | |
| 94 axis (ax(2), [1 - 0.6, idx95 + 0.6, 0, 100]); | |
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95 set (ax(2), "ytick", [0, 20, 40, 60, 80, 100], |
| 7220 | 96 "yticklabel", {"0%", "20%", "40%", "60%", "80%", "100%"}); |
| 97 set (ax(1), "xtick", 1 : idx95, "xticklabel", y (1: idx95)); | |
| 98 set (ax(2), "xtick", 1 : idx95, "xticklabel", y (1: idx95)); | |
| 99 | |
| 100 if (nargout > 0) | |
| 101 h = [hbar; hline]; | |
| 102 endif | |
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103 |
| 7220 | 104 endfunction |
| 105 | |
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106 |
| 7220 | 107 %!demo |
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108 %! clf; |
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109 %! colormap (jet (64)); |
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110 %! Cheese = {'Cheddar', 'Swiss', 'Camembert', 'Munster', 'Stilton', 'Blue'}; |
| 7220 | 111 %! Sold = [105, 30, 70, 10, 15, 20]; |
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112 %! pareto (Sold, Cheese); |
| 7220 | 113 |
| 114 %!demo | |
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115 %! clf; |
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116 %! % Suppose that we want establish which products makes 80% of turnover. |
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117 %! Codes = {'AB4','BD7','CF8','CC5','AD11','BB5','BB3','AD8','DF3','DE7'}; |
| 7220 | 118 %! Value = [2.35 7.9 2.45 1.1 0.15 13.45 5.4 2.05 0.85 1.65]'; |
| 119 %! SoldUnits = [54723 41114 16939 1576091 168000 687197 120222 168195, ... | |
| 120 %! 1084118 55576]'; | |
| 121 %! pareto (Value.*SoldUnits, Codes); | |
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122 |