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% STK_SPRINTF_LEVELS prints the levels of a factorial design into a string
% Copyright Notice
%
% Copyright (C) 2013, 2014 SUPELEC
%
% Author: Julien Bect <julien.bect@centralesupelec.fr>
% Copying Permission Statement
%
% This file is part of
%
% STK: a Small (Matlab/Octave) Toolbox for Kriging
% (https://github.com/stk-kriging/stk/)
%
% STK 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.
%
% STK 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 STK. If not, see <http://www.gnu.org/licenses/>.
function s = stk_sprintf_levels (x)
colnames = get (x.stk_dataframe, 'colnames');
d = length (x.levels);
for i = 1:d
if isempty (colnames)
line{i} = sprintf('levels for column #%d: ', i);
else
line{i} = sprintf('levels for variable %s: ', colnames{i});
end
L = x.levels{i};
if isempty (L)
line{i} = [line{i} '[]'];
else
for j = 1:(length(L) - 1)
line{i} = [line{i} num2str(L(j)) ', '];
end
line{i} = [line{i} sprintf('%s', num2str(L(end)))];
end
end
s = char (line{:});
end % function
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