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Diffstat (limited to 'sourcecodes/bnt-master/SLP/misc/inference.m')
| -rw-r--r-- | sourcecodes/bnt-master/SLP/misc/inference.m | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/sourcecodes/bnt-master/SLP/misc/inference.m b/sourcecodes/bnt-master/SLP/misc/inference.m new file mode 100644 index 00000000..3aef9eeb --- /dev/null +++ b/sourcecodes/bnt-master/SLP/misc/inference.m @@ -0,0 +1,25 @@ +function [proba_post, engin2]= inference(bnet, data, node) +% Make bayesian inference on data +% [proba_post, engine]= inference(bnet, data, node) +% +% INPUTS : +% - bnet, the structure of the bayesian network gived by mk_bnet. +% - data(i,m), node i in case m. +% - node, the node we interrogating. +% +% OUTPUTS : +% - proba_post, the posteriors probabilities. +% - engine, the inference engine. +% +% francois.olivier.c.h@gmail.com + +engine=jtree_inf_engine(bnet); +[N L]=size(data); +proba_post=zeros(L,bnet.node_sizes(node)); +for i=1:L + evidence(1:N)=data(1:N,i); + evidence{node}=[]; + [engin2, ll]=enter_evidence(engine,evidence); + marg=marginal_nodes(engin2,node); + proba_post(i,:)=marg.T'; +end \ No newline at end of file |