diff toolboxes/FullBNT-1.0.7/KPMstats/multinomial_prob.m @ 0:cc4b1211e677 tip

initial commit to HG from Changeset: 646 (e263d8a21543) added further path and more save "camirversion.m"
author Daniel Wolff
date Fri, 19 Aug 2016 13:07:06 +0200
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/KPMstats/multinomial_prob.m	Fri Aug 19 13:07:06 2016 +0200
@@ -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