Mercurial > hg > camir-aes2014
diff core/tools/machine_learning/mlr_repeat_YX_by_rating.m @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/core/tools/machine_learning/mlr_repeat_YX_by_rating.m Tue Feb 10 15:05:51 2015 +0000 @@ -0,0 +1,32 @@ +function [Yout, Xout] = mlr_repeat_YX_by_rating(Y, X, weights) +% [Yout, Xout] = mlr_repeat_YX_by_rating(Y, X, weights) +% +% repeats the data in X and Y according to the weights specified +% in weights or Y(:,3) + +cprint(2, 'Repeating data for weighted learning'); +if nargin == 2 + weights = cell2mat(Y(:,3)); +end + +Yout = Y(:,1:2); + +valid = ~(cellfun(@isempty, Y(:,1)) | cellfun(@isempty, Y(:,2))); + +for i = 1:size(Y, 1) + if valid(i) + for j = 2:weights(i) + Yout(end + 1, :) = Y(i, 1:2); + end + end +end + +Xout = zeros(size(X,1), size(Y,1)); +Xout(:,1:size(X,2)) = X; +for i = 1:size(Y, 1) + if valid(i) + for j = 2:weights(i) + Xout(:,end+1) = X(:,i); + end + end +end \ No newline at end of file