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Small Bayesian Belief Propagation Framework using Sum-Product Algorithm on Factor Graphs. Todo: 1) Change requirement for PMFs to use .value 2) Make the storage and retrieval of pre-generated samples from SQLite files transparent 3) Rename VariableNode to DiscreteVariableNode 4) Add GuassianVariableNode for continuous variables 5) Deprecate "status" method in favour of q 6) Allow build_graph to take a single parameter being a list of functions so as to overcome the 255 argument limit in Python Unit Tests: In order to run the unit tests you need the pytest framwork. This can be installed in a virtuanlenv with: $ pip install pytest To run the tests in a development environment: $ PYTHONPATH=. py.test bayesian/test Resources ========= http://www.fil.ion.ucl.ac.uk/spm/course/slides10-vancouver/08_Bayes.pdf http://www.ee.columbia.edu/~vittorio/Lecture12.pdf http://www.csse.monash.edu.au/bai/book/BAI_Chapter2.pdf http://www.comm.utoronto.ca/frank/papers/KFL01.pdf http://www.snn.ru.nl/~bertk/ (Many real-world examples listed) http://www.cs.ubc.ca/~murphyk/Bayes/Charniak_91.pdf http://www.sciencedirect.com/science/article/pii/S0888613X96000692 Junction Tree Algorithm: http://www.inf.ed.ac.uk/teaching/courses/pmr/docs/jta_ex.pdf http://ttic.uchicago.edu/~altun/Teaching/CS359/junc_tree.pdf http://eniac.cs.qc.cuny.edu/andrew/gcml/lecture10.pdf
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