Mercurial > hg > octave-nkf
annotate scripts/statistics/base/probit.m @ 14138:72c96de7a403 stable
maint: update copyright notices for 2012
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 02 Jan 2012 14:25:41 -0500 |
parents | 6b2f14af2360 |
children | f3d52523cde1 |
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14138
72c96de7a403
maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
parents:
12656
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1 ## Copyright (C) 1995-2012 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 |
3200 | 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 ## | |
3200 | 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/>. | |
3200 | 18 |
3453 | 19 ## -*- texinfo -*- |
20 ## @deftypefn {Function File} {} probit (@var{p}) | |
21 ## For each component of @var{p}, return the probit (the quantile of the | |
22 ## standard normal distribution) of @var{p}. | |
23 ## @end deftypefn | |
3426 | 24 |
5428 | 25 ## Written by KH <Kurt.Hornik@wu-wien.ac.at> on 1995/02/04 |
3456 | 26 ## Description: Probit transformation |
3200 | 27 |
28 function y = probit (p) | |
3426 | 29 |
12656
6b2f14af2360
Overhaul functions in statistics/base directory.
Rik <octave@nomad.inbox5.com>
parents:
11523
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30 |
6b2f14af2360
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Rik <octave@nomad.inbox5.com>
parents:
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31 if (nargin != 1) |
6046 | 32 print_usage (); |
3200 | 33 endif |
34 | |
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6b2f14af2360
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Rik <octave@nomad.inbox5.com>
parents:
11523
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35 y = stdnormal_inv (p); |
6b2f14af2360
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Rik <octave@nomad.inbox5.com>
parents:
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36 |
3200 | 37 endfunction |
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Rik <octave@nomad.inbox5.com>
parents:
11523
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38 |
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39 %!assert(probit([-1, 0, 0.5, 1, 2]), [NaN, -Inf, 0, Inf, NaN]); |
6b2f14af2360
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Rik <octave@nomad.inbox5.com>
parents:
11523
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40 |
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41 %% Test input validation |
6b2f14af2360
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42 %!error probit () |
6b2f14af2360
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Rik <octave@nomad.inbox5.com>
parents:
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43 %!error probit (1, 2) |
6b2f14af2360
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Rik <octave@nomad.inbox5.com>
parents:
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44 |