evidence+theory 源代码

seed = 0; rand('state', seed); randn('state', seed); nrows = 5; ncols = 5; npixels = nrows*ncols; % we number pixels in transpos…

% make a factor graph corresponding to an HMM, where we absorb the evidence up front, % and then eliminate the observed nodes. % …

% make a factor graph corresponding to an HMM with Gaussian outputs, where we absorb the % evidence up front seed = 1; rand('st…

% Fit a piece-wise linear regression model. % Here is the model % % X \ % | | % Q | % | / % Y % % where all arcs point down. …

% example to illustrate why nodes must be numbered topologically. % Due to Shinya OHTANI % 9 June 2004 %%%%%%%%% WRONG RESUL…

% Compare various inference engines on the following network (from Jensen (1996) p84 fig 4.17) % 1 % / | \ % 2 3 4 % | …

% Factor analysis % Z -> X, Z in R^k, X in R^D, k

% Check sampling on a mixture of experts model % % X \ % | | % Q | % | / % Y % % where all arcs point down. % We condition ev…

% Factor analysis % Z -> X, Z in R^k, X in R^D, k

% Computing most probable explanation. % If you don't break ties consistently, loopy can give wrong mpe % even though the graph h…