Mercurial > octave
view scripts/statistics/base/probit.m @ 23219:3ac9f9ecfae5 stable
maint: Update copyright dates.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 22 Feb 2017 12:39:29 -0500 |
parents | e9a0469dedd9 |
children | 092078913d54 |
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## Copyright (C) 1995-2017 Kurt Hornik ## ## 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 ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {} {} probit (@var{p}) ## Return the probit (the quantile of the standard normal distribution) for ## each element of @var{p}. ## @seealso{logit} ## @end deftypefn ## Written by KH <Kurt.Hornik@wu-wien.ac.at> on 1995/02/04 ## Description: Probit transformation function y = probit (p) if (nargin != 1) print_usage (); endif y = stdnormal_inv (p); endfunction %!assert (probit ([-1, 0, 0.5, 1, 2]), [NaN, -Inf, 0, Inf, NaN]) ## Test input validation %!error probit () %!error probit (1, 2)