comparison 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
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-1:000000000000 0:e9a9cd732c1e
1 function p = logist2Apply(beta, x)
2 % LOGIST2APPLY 2 class logistic regression: compute posterior prob of class 1
3 % function p = logist2Apply(beta, x)
4 %
5 % x(:,i) - each COLUMN is a test case; we append 1s automatically, if appropriate
6
7 [D Ncases] = size(x);
8 if length(beta)==D+1
9 F = [x; ones(1,Ncases)];
10 else
11 F = x;
12 end
13 p = 1./(1+exp(-beta(:)'*F));