Mercurial > hg > camir-ismir2012
diff toolboxes/FullBNT-1.0.7/bnt/CPDs/@gaussian_CPD/convert_to_table.m @ 0:cc4b1211e677 tip
initial commit to HG from
Changeset:
646 (e263d8a21543) added further path and more save "camirversion.m"
author | Daniel Wolff |
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date | Fri, 19 Aug 2016 13:07:06 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toolboxes/FullBNT-1.0.7/bnt/CPDs/@gaussian_CPD/convert_to_table.m Fri Aug 19 13:07:06 2016 +0200 @@ -0,0 +1,38 @@ +function T = convert_to_table(CPD, domain, evidence) +% CONVERT_TO_TABLE Convert a Gaussian CPD to a table +% T = convert_to_table(CPD, domain, evidence) + + +sz = CPD.sizes; +ns = zeros(1, max(domain)); +ns(domain) = sz; + +odom = domain(~isemptycell(evidence(domain))); +ps = domain(1:end-1); +cps = ps(CPD.cps); +dps = ps(CPD.dps); +self = domain(end); +cdom = [cps(:)' self]; +ddom = dps; +cnodes = cdom; + +[m, C, W] = gaussian_CPD_params_given_dps(CPD, domain, evidence); + + +ns(odom) = 1; +dpsize = prod(ns(dps)); +self = domain(end); +assert(myismember(self, odom)); +self_val = evidence{self}; +T = zeros(dpsize, 1); +if length(cps) > 0 + assert(~any(isemptycell(evidence(cps)))); + cps_vals = cat(1, evidence{cps}); + for i=1:dpsize + T(i) = gaussian_prob(self_val, m(:,i) + W(:,:,i)*cps_vals, C(:,:,i)); + end +else + for i=1:dpsize + T(i) = gaussian_prob(self_val, m(:,i), C(:,:,i)); + end +end