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annotate toolboxes/FullBNT-1.0.7/KPMtools/rnd_partition.m @ 0:e9a9cd732c1e tip

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first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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wolffd@0 1 function [train, test] = rnd_partition(data, train_percent);
wolffd@0 2 % function [train, test] = rnd_partition(data, train_percent);
wolffd@0 3 %
wolffd@0 4 % data(:,i) is the i'th example
wolffd@0 5 % train_percent of these columns get put into train, the rest into test
wolffd@0 6
wolffd@0 7 N = size(data, 2);
wolffd@0 8 ndx = randperm(N);
wolffd@0 9 k = ceil(N*train_percent);
wolffd@0 10 train_ndx = ndx(1:k);
wolffd@0 11 test_ndx = ndx(k+1:end);
wolffd@0 12 train = data(:, train_ndx);
wolffd@0 13 test = data(:, test_ndx);