diff toolboxes/FullBNT-1.0.7/bnt/examples/dynamic/mk_mildew_dbn.m @ 0:e9a9cd732c1e tip

first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
parents
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/bnt/examples/dynamic/mk_mildew_dbn.m	Tue Feb 10 15:05:51 2015 +0000
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+function bnet = mk_mildew_dbn()
+
+% DBN for foreacasting the gross yield of wheat based on climatic data,
+% observations of leaf area index (LAI) and extension of mildew,
+% and knowledge of amount of fungicides used and time of usage.
+% From Kjaerulff '95.
+
+Fungi=1; Mildew=2; LAI=3; Precip=4; Temp=5; Micro=6; Solar=7; Photo=8; Dry=9;
+n = 9;
+intra = zeros(n,n);
+intra(Mildew, LAI)=1;
+intra(LAI,[Micro Photo])=1;
+intra(Precip,Micro)=1;
+intra(Temp,[Micro Photo])=1;
+intra(Solar,Photo)=1;
+intra(Photo,Dry)=1;
+
+inter = zeros(n,n);
+inter(Fungi,Mildew)=1;
+inter(Mildew,Mildew)=1;
+inter(LAI,LAI)=1;
+inter(Micro,Mildew)=1;
+inter(Dry,Dry)=1;
+
+ns = 2*ones(1,n);
+bnet = mk_dbn(intra, inter, ns, 'observed', [Photo]);
+
+for e=1:max(bnet.equiv_class(:))
+  i = bnet.rep_of_eclass(e);
+  bnet.CPD{e} = tabular_CPD(bnet,i);
+end