Mercurial > hg > camir-aes2014
annotate toolboxes/FullBNT-1.0.7/bnt/CPDs/@tree_CPD/tree_CPD.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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children |
rev | line source |
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wolffd@0 | 1 function CPD = tree_CPD(varargin) |
wolffd@0 | 2 %DTREE_CPD Make a conditional prob. distrib. which is a decision/regression tree. |
wolffd@0 | 3 % |
wolffd@0 | 4 % CPD =dtree_CPD() will create an empty tree. |
wolffd@0 | 5 |
wolffd@0 | 6 if nargin==0 |
wolffd@0 | 7 % This occurs if we are trying to load an object from a file. |
wolffd@0 | 8 CPD = init_fields; |
wolffd@0 | 9 clamp = 0; |
wolffd@0 | 10 CPD = class(CPD, 'tree_CPD', discrete_CPD(clamp, [])); |
wolffd@0 | 11 return; |
wolffd@0 | 12 elseif isa(varargin{1}, 'tree_CPD') |
wolffd@0 | 13 % This might occur if we are copying an object. |
wolffd@0 | 14 CPD = varargin{1}; |
wolffd@0 | 15 return; |
wolffd@0 | 16 end |
wolffd@0 | 17 |
wolffd@0 | 18 CPD = init_fields; |
wolffd@0 | 19 |
wolffd@0 | 20 |
wolffd@0 | 21 clamped = 0; |
wolffd@0 | 22 fam_sz = []; |
wolffd@0 | 23 CPD = class(CPD, 'tree_CPD', discrete_CPD(clamped, fam_sz)); |
wolffd@0 | 24 |
wolffd@0 | 25 |
wolffd@0 | 26 %%%%%%%%%%% |
wolffd@0 | 27 |
wolffd@0 | 28 function CPD = init_fields() |
wolffd@0 | 29 % This ensures we define the fields in the same order |
wolffd@0 | 30 % no matter whether we load an object from a file, |
wolffd@0 | 31 % or create it from scratch. (Matlab requires this.) |
wolffd@0 | 32 |
wolffd@0 | 33 %init the decision tree set the root to null |
wolffd@0 | 34 CPD.tree.num_node = 0; |
wolffd@0 | 35 CPD.tree.root=1; |
wolffd@0 | 36 CPD.tree.nodes=[]; |
wolffd@0 | 37 |