diff toolboxes/FullBNT-1.0.7/KPMstats/logist2Apply.m @ 0:e9a9cd732c1e tip

first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
parents
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/KPMstats/logist2Apply.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,13 @@
+function p = logist2Apply(beta, x)
+% LOGIST2APPLY 2 class logistic regression: compute posterior prob of class 1
+% function p = logist2Apply(beta, x)
+%
+% x(:,i) - each COLUMN is a test case; we append 1s automatically, if appropriate
+
+[D Ncases] = size(x);
+if length(beta)==D+1
+  F = [x; ones(1,Ncases)];
+else
+  F = x;
+end
+p = 1./(1+exp(-beta(:)'*F));