/usr/share/octave/packages/nan-2.5.9/prctile.m is in octave-nan 2.5.9-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | function Q=prctile(Y,q,DIM)
% PRCTILE calculates the percentiles of histograms and sample arrays.
% (its the same than PERCENTILE.M)
%
% Q = prctile(Y,q)
% Q = prctile(Y,q,DIM)
% returns the q-th percentile along dimension DIM of sample array Y.
% size(Q) is equal size(Y) except for dimension DIM which is size(Q,DIM)=length(Q)
%
% Q = prctile(HIS,q)
% returns the q-th percentile from the histogram HIS.
% HIS must be a HISTOGRAM struct as defined in HISTO2 or HISTO3.
% If q is a vector, the each row of Q returns the q(i)-th percentile
%
% see also: HISTO2, HISTO3, QUANTILE
% $Id$
% Copyright (C) 1996-2003,2005,2006,2007,2009 by Alois Schloegl <alois.schloegl@gmail.com>
% This function is part of the NaN-toolbox
% http://pub.ist.ac.at/~schloegl/matlab/NaN/
% 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 of the License, 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 program; If not, see <http://www.gnu.org/licenses/>.
if nargin==2,
Q = quantile(Y,q/100);
elseif nargin==3,
Q = quantile(Y,q/100,DIM);
else
help percentile
end;
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