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function CPD = update_ess(CPD, fmarginal, evidence, ns, cnodes, hidden_bitv)
% UPDATE_ESS Update the Expected Sufficient Statistics of a tabular node.
% function CPD = update_ess(CPD, fmarginal, evidence, ns, cnodes, hidden_bitv)
dom = fmarginal.domain;
if all(hidden_bitv(dom))
CPD = update_ess_simple(CPD, fmarginal.T);
%fullm = add_ev_to_dmarginal(fmarginal, evidence, ns);
%assert(approxeq(fullm.T(:), fmarginal.T(:)))
else
fullm = add_ev_to_dmarginal(fmarginal, evidence, ns);
CPD = update_ess_simple(CPD, fullm.T);
end
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