Mercurial > octave-antonio
annotate scripts/statistics/distributions/empirical_inv.m @ 11472:1740012184f9
Use uppercase for variable names in error() strings to match Info documentation. Only m-files done.
author | Rik <octave@nomad.inbox5.com> |
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date | Sun, 09 Jan 2011 21:33:04 -0800 |
parents | f084ba47812b |
children | fd0a3ac60b0e |
rev | line source |
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7017 | 1 ## Copyright (C) 1996, 1997, 1998, 2000, 2002, 2005, 2007 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 |
3191 | 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 ## | |
3191 | 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/>. | |
3191 | 18 |
3456 | 19 ## -*- texinfo -*- |
20 ## @deftypefn {Function File} {} empirical_inv (@var{x}, @var{data}) | |
21 ## For each element of @var{x}, compute the quantile (the inverse of the | |
22 ## CDF) at @var{x} of the empirical distribution obtained from the | |
23 ## univariate sample @var{data}. | |
24 ## @end deftypefn | |
3191 | 25 |
5428 | 26 ## Author: KH <Kurt.Hornik@wu-wien.ac.at> |
3456 | 27 ## Description: Quantile function of the empirical distribution |
3426 | 28 |
3456 | 29 function inv = empirical_inv (x, data) |
3426 | 30 |
7125 | 31 if (nargin != 2) |
32 print_usage (); | |
33 endif | |
34 | |
4030 | 35 if (! isvector (data)) |
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1740012184f9
Use uppercase for variable names in error() strings to match Info documentation. Only m-files done.
Rik <octave@nomad.inbox5.com>
parents:
7125
diff
changeset
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36 error ("empirical_inv: DATA must be a vector"); |
3191 | 37 endif |
38 | |
3456 | 39 inv = discrete_inv (x, data, ones (size (data)) / length (data)); |
3191 | 40 |
41 endfunction |