diff toolboxes/FullBNT-1.0.7/KPMtools/unaryEncoding.m @ 0:e9a9cd732c1e tip

first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
parents
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/KPMtools/unaryEncoding.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,16 @@
+function U = unaryEncoding(data, K)
+% unaryEncoding Encode data(s) as a 1-of-K column vector
+% function U = unaryEncoding(data, K)
+%
+% eg.
+% If data = [3 2 2] and K=3,
+% then U = [0 0 0
+%           0 1 1
+%           1 0 0]
+
+if nargin < 2, K = max(data); end
+N = length(data);
+U = zeros(K,N);
+ndx = subv2ind([K N], [data(:)'; 1:N]');
+U(ndx) = 1;
+U = reshape(U, [K N]);