Mercurial > octave-nkf
view scripts/statistics/distributions/empirical_inv.m @ 3456:434790acb067
[project @ 2000-01-19 06:58:51 by jwe]
author | jwe |
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date | Wed, 19 Jan 2000 06:59:23 +0000 |
parents | f8dde1807dee |
children | 38c61cbf086c |
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## Copyright (C) 1996, 1997 Kurt Hornik ## ## This program 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 2, or (at your option) ## any later version. ## ## This program 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 this file. If not, write to the Free Software Foundation, ## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ## -*- texinfo -*- ## @deftypefn {Function File} {} empirical_inv (@var{x}, @var{data}) ## For each element of @var{x}, compute the quantile (the inverse of the ## CDF) at @var{x} of the empirical distribution obtained from the ## univariate sample @var{data}. ## @end deftypefn ## Author: KH <Kurt.Hornik@ci.tuwien.ac.at> ## Description: Quantile function of the empirical distribution function inv = empirical_inv (x, data) if (! is_vector (data)) error ("empirical_inv: data must be a vector"); endif inv = discrete_inv (x, data, ones (size (data)) / length (data)); endfunction