Mercurial > hg > camir-aes2014
view toolboxes/FullBNT-1.0.7/bnt/general/convert_dbn_CPDs_to_pots.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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function CPDpot = convert_dbn_CPDs_to_pots(bnet, evidence, pot_type, softCPDpot) % CONVERT_DBN_CPDS_TO_POTS Convert CPDs of (possibly instantiated) DBN nodes to potentials % CPDpot = convert_dbn_CPDs_to_pots(bnet, evidence, pot_type, softCPDpot) % % CPDpot{n,t} is a potential containing P(n,t|pa(n,t), ev) % softCPDpot{n,t} is a potential containing P(n,t|pa(n,t), ev) insted of using n's CPD [ss T] = size(evidence); if nargin < 4, softCPDpot = cell(ss,T); end CPDpot = softCPDpot; % Convert CPDs of instantiated nodes to potential form t = 1; for n=1:ss fam = family(bnet.dag, n); e = bnet.equiv_class(n, 1); if isempty(softCPDpot{n,t}) CPDpot{n,t} = convert_to_pot(bnet.CPD{e}, pot_type, fam(:), evidence(:,1)); end end for n=1:ss fam = family(bnet.dag, n, 2); e = bnet.equiv_class(n, 2); for t=2:T if isempty(softCPDpot{n,t}) CPDpot{n,t} = convert_to_pot(bnet.CPD{e}, pot_type, fam(:), evidence(:,t-1:t)); end end end