X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fdataframe-0.9.1%2F%40dataframe%2Fpermute.m;fp=octave_packages%2Fdataframe-0.9.1%2F%40dataframe%2Fpermute.m;h=be72d283a198751939bbdfacd75498fd6e104206;hp=0000000000000000000000000000000000000000;hb=f5f7a74bd8a4900f0b797da6783be80e11a68d86;hpb=1705066eceaaea976f010f669ce8e972f3734b05 diff --git a/octave_packages/dataframe-0.9.1/@dataframe/permute.m b/octave_packages/dataframe-0.9.1/@dataframe/permute.m new file mode 100644 index 0000000..be72d28 --- /dev/null +++ b/octave_packages/dataframe-0.9.1/@dataframe/permute.m @@ -0,0 +1,114 @@ +function resu = permute(df, perm) + + %% Copyright (C) 2009-2012 Pascal Dupuis + %% + %% 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 2, 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, + %% write to the Free Software Foundation, 51 Franklin Street - + %% Fifth Floor, Boston, MA 02110-1301, USA. + + %# + %# $Id: permute.m 9585 2012-02-05 15:32:46Z cdemills $ + %# + + resu = dataframe([]); + + if (length(df._cnt) >= length(perm)), + resu._cnt = df._cnt(perm); + else + resu._cnt = [df._cnt 1](perm); + endif + + if (ndims(df._ridx) < 3), + resu._ridx = permute(df._ridx, [min(perm(1), 2) min(perm(2:end))]); + else + resu._ridx = permute(df._ridx, perm); + endif + + if (size(resu._ridx, 1) < resu._cnt(1)), + %# adjust index size, if required + resu._ridx(end+1:resu._cnt(1), :, :) = NA; + endif + + if (2 == perm(1)), + resu._name{1} = df._name{2}; + resu._over{1} = df._over{2}; + indc = length(resu._name{1}); + indi = resu._cnt(1) - indc; + if (indi > 0), + %# generate a name for the new row(s) + dummy = cstrcat(repmat('_', indi, 1), ... + strjust(num2str(indc + (1:indi).'), 'left')); + resu._name{1}(indc + (1:indi)) = cellstr(dummy); + resu._over{1}(1, indc + (1:indi)) = true; + endif + else + resu._name{1} = df._name{1}; + resu._over{1} = df._over{1}; + endif + + + if (2 == perm(2)), + resu._name{2} = df._name{2}; + resu._over{2} = df._over{2}; + else + resu._name{2} = df._name{1}; + resu._over{2} = df._over{1}; + endif + + if (isempty(resu._name{2})), + indc = 0; + else + indc = length(resu._name{2}); + endif + indi = resu._cnt(2) - indc; + if (indi > 0), + %# generate a name for the new column(s) + dummy = cstrcat(repmat('_', indi, 1), ... + strjust(num2str(indc + (1:indi).'), 'left')); + resu._name{2}(indc + (1:indi)) = cellstr(dummy); + resu._over{2}(1, indc + (1:indi)) = true; + endif + + if (2 != perm(2)), + %# recompute the new type + dummy = zeros(0, class(sum(cellfun(@(x) zeros(1, class(x(1))),\ + df._data)))); + resu._type(1:resu._cnt(2)) = class(dummy); + dummy = permute(df_whole(df), perm); + for indi = 1:resu._cnt(2), + resu._data{indi} = squeeze(dummy(:, indi, :)); + resu._rep{indi} = 1:size(resu._data{indi}, 2); + endfor + else %# 2 == perm(2) + if (1 == perm(1)), %# blank operation + resu._type = df._type; + resu._data = df._data; + resu._rep = df._rep; + else + for indi = 1:resu._cnt(2), + unfolded = df._data{indi}(:, df._rep{indi}); + resu._data{indi} = permute(unfolded, [2 1]); + resu._rep{indi} = 1:size(resu._data{indi}, 2); + resu._type{indi} = df._type{indi}; + endfor + endif + endif + + resu._src = df._src; + resu._cmt = df._cmt; + +endfunction