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annotate toolboxes/FullBNT-1.0.7/bnt/examples/static/StructLearn/pc1.m @ 0:cc4b1211e677 tip
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| author | Daniel Wolff |
|---|---|
| date | Fri, 19 Aug 2016 13:07:06 +0200 |
| parents | |
| children |
| rev | line source |
|---|---|
| Daniel@0 | 1 % SGS p118 |
| Daniel@0 | 2 % Try learning the structure using an oracle for the cond indep tests |
| Daniel@0 | 3 |
| Daniel@0 | 4 n = 5; |
| Daniel@0 | 5 |
| Daniel@0 | 6 A = 1; B = 2; C = 3; D = 4; E = 5; |
| Daniel@0 | 7 |
| Daniel@0 | 8 G = zeros(n); |
| Daniel@0 | 9 G(A,B)=1; |
| Daniel@0 | 10 G(B,[C D]) = 1; |
| Daniel@0 | 11 G(C,E)=1; |
| Daniel@0 | 12 G(D,E)=1; |
| Daniel@0 | 13 |
| Daniel@0 | 14 k = 2; |
| Daniel@0 | 15 |
| Daniel@0 | 16 pdag = learn_struct_pdag_pc('dsep', n, k, G) |
| Daniel@0 | 17 |
| Daniel@0 | 18 |
| Daniel@0 | 19 |
| Daniel@0 | 20 |
| Daniel@0 | 21 if 0 |
| Daniel@0 | 22 N = 4; |
| Daniel@0 | 23 dag = zeros(N,N); |
| Daniel@0 | 24 C = 1; S = 2; R = 3; W = 4; |
| Daniel@0 | 25 dag(C,[R S]) = 1; |
| Daniel@0 | 26 dag(R,W) = 1; |
| Daniel@0 | 27 dag(S,W)=1; |
| Daniel@0 | 28 |
| Daniel@0 | 29 pdag = learn_struct_pdag_pc('dsep', N, 2, dag) |
| Daniel@0 | 30 end |