Mercurial > hg > camir-aes2014
diff toolboxes/FullBNT-1.0.7/KPMstats/multinomial_prob.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/toolboxes/FullBNT-1.0.7/KPMstats/multinomial_prob.m Tue Feb 10 15:05:51 2015 +0000 @@ -0,0 +1,20 @@ +function B = eval_pdf_cond_multinomial(data, obsmat) +% EVAL_PDF_COND_MULTINOMIAL Evaluate pdf of conditional multinomial +% function B = eval_pdf_cond_multinomial(data, obsmat) +% +% Notation: Y = observation (O values), Q = conditioning variable (K values) +% +% Inputs: +% data(t) = t'th observation - must be an integer in {1,2,...,K}: cannot be 0! +% obsmat(i,o) = Pr(Y(t)=o | Q(t)=i) +% +% Output: +% B(i,t) = Pr(y(t) | Q(t)=i) + +[Q O] = size(obsmat); +T = prod(size(data)); % length(data); +B = zeros(Q,T); + +for t=1:T + B(:,t) = obsmat(:, data(t)); +end