Mercurial > hg > camir-ismir2012
view toolboxes/FullBNT-1.0.7/bnt/CPDs/@tabular_CPD/learn_params.m @ 0:cc4b1211e677 tip
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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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function CPD = learn_params(CPD, fam, data, ns, cnodes) %function CPD = learn_params(CPD, local_data) % LEARN_PARAMS Compute the ML/MAP estimate of the params of a tabular CPD given complete data % CPD = learn_params(CPD, local_data) % % local_data(i,m) is the value of i'th family member in case m (can be cell array). local_data = data(fam, :); if iscell(local_data) local_data = cell2num(local_data); end counts = compute_counts(local_data, CPD.sizes); switch CPD.prior_type case 'none', CPD.CPT = mk_stochastic(counts); case 'dirichlet', CPD.CPT = mk_stochastic(counts + CPD.dirichlet); otherwise, error(['unrecognized prior ' CPD.prior_type]) end