Mercurial > octave
view scripts/statistics/empirical_cdf.m @ 31235:b542b88ad3b6
maint: Use space between function name and '(' in sparse-xpow.cc.
* sparse-xpow.cc: Use space between function name and '(' in sparse-xpow.cc.
author | Rik <rik@octave.org> |
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date | Tue, 20 Sep 2022 14:43:56 -0700 |
parents | 5d3faba0342e |
children | 597f3ee61a48 |
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######################################################################## ## ## Copyright (C) 1996-2022 The Octave Project Developers ## ## See the file COPYRIGHT.md in the top-level directory of this ## distribution or <https://octave.org/copyright/>. ## ## This file is part of Octave. ## ## Octave is free software: you can redistribute it and/or modify it ## under the terms of the GNU General Public License as published by ## the Free Software Foundation, either version 3 of the License, or ## (at your option) any later version. ## ## Octave is distributed in the hope that it will be useful, but ## WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ## GNU General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with Octave; see the file COPYING. If not, see ## <https://www.gnu.org/licenses/>. ## ######################################################################## ## -*- texinfo -*- ## @deftypefn {} {@var{cdf} =} empirical_cdf (@var{x}, @var{data}) ## For each element of @var{x}, compute the cumulative distribution function ## (CDF) at @var{x} of the empirical distribution obtained from ## the univariate sample @var{data}. ## @end deftypefn function cdf = empirical_cdf (x, data) if (nargin != 2) print_usage (); endif if (! isvector (data)) error ("empirical_cdf: DATA must be a vector"); endif cdf = discrete_cdf (x, data, ones (size (data))); endfunction %!shared x,v,y %! x = [-1 0.1 1.1 1.9 3]; %! v = 0.1:0.2:1.9; %! y = [0 0.1 0.6 1 1]; %!assert (empirical_cdf (x, v), y, eps) %!assert (empirical_cdf ([x(1) NaN x(3:5)], v), [0 NaN 0.6 1 1], eps) ## Test class of input preserved %!assert (empirical_cdf ([x, NaN], v), [y, NaN], eps) %!assert (empirical_cdf (single ([x, NaN]), v), single ([y, NaN]), eps) %!assert (empirical_cdf ([x, NaN], single (v)), single ([y, NaN]), eps) ## Test input validation %!error <Invalid call> empirical_cdf () %!error <Invalid call> empirical_cdf (1) %!error empirical_cdf (1, ones (2))