camir-aes2014: toolboxes/FullBNT-1.0.7/bnt/potentials/determine_pot

first hg version after svn

rev	line source
wolffd@0	1 function pot_type = determine_pot_type(model, onodes, nodes)
wolffd@0	2 % DETERMINE_POT_TYPE Determine the type of potential based on the evidence pattern.
wolffd@0	3 % pot_type = determine_pot_type(model, onodes, nodes)
wolffd@0	4 %
wolffd@0	5 % If there are any utility nodes, pot_type = 'u'
wolffd@0	6 % else
wolffd@0	7 % If all hidden nodes are discrete, pot_type = 'd'.
wolffd@0	8 % If all hidden nodes are continuous, pot_type = 'g' (Gaussian).
wolffd@0	9 % If some hidden nodes are discrete, and some cts, pot_type = 'cg' (conditional Gaussian).
wolffd@0	10 %
wolffd@0	11 % nodes defaults to all nodes in graph
wolffd@0	12
wolffd@0	13 nnodes = length(model.node_sizes);
wolffd@0	14 if nargin < 3, nodes = 1:nnodes; end
wolffd@0	15
wolffd@0	16 hnodes = mysetdiff(nodes, onodes);
wolffd@0	17 if isfield(model, 'limid') %~isempty(model.utility_nodes)
wolffd@0	18 pot_type = 'u';
wolffd@0	19 elseif isempty(myintersect(model.cnodes, hnodes))
wolffd@0	20 pot_type = 'd';
wolffd@0	21 elseif mysubset(hnodes, model.cnodes)
wolffd@0	22 pot_type = 'g';
wolffd@0	23 else
wolffd@0	24 pot_type = 'cg';
wolffd@0	25 end

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