evidence+theory 源代码

function gibbs_test1() disp('gibbs test 1') rand('state', 0); randn('state', 0); %[bnet onodes hnodes qnodes] = gibbs_ex…

% This example is from Page.143 of "Probabilistic Networks and Expert Systems", % Cowell, Dawid, Lauritzen and Spiegelhalter, 1999…

function scg_unstable() % the objective of this script is to test if the stable conditonal gaussian % inference can handle the nu…

% Same as cg1, except we call stab_cond_gauss_inf_engine bnet = mk_incinerator_bnet; engines = {}; engines{end+1} = stab_cond_g…

% Do the example from Satnam Alag's PhD thesis, UCB ME dept 1996 p46 % Make the following polytree, where all arcs point down …

% Test gmux. % The following model, where Y is a gmux node, % and M is set to 1, should be equivalent to X1 -> Y % % X1 Xn M % \ |…

% Test jtree_compiled on a toy QMR network. rand('state', 0); randn('state', 0); pMax = 0.01; Nfindings = 10; Ndiseases = 5; N=N…

% Conditional Gaussian network % The waste incinerator emissions example from Lauritzen (1992), % "Propogation of Probabilities, M…

% Make a QMR-like network % This is a bipartite graph, where the top layer contains hidden disease nodes, % and the bottom later …

% Fit a mixture of Gaussians using netlab and BNT rand('state', 0); randn('state', 0); % Q -> Y ncenters = 2; dim = 2; cov_type …