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Uncertain Bayesian Networks: Learning from Incomplete Data. (arXiv:2208.04221v1 [stat.ML])
Aug. 9, 2022, 1:11 a.m. | Conrad D. Hougen, Lance M. Kaplan, Federico Cerutti, Alfred O. Hero III
stat.ML updates on arXiv.org arxiv.org
When the historical data are limited, the conditional probabilities
associated with the nodes of Bayesian networks are uncertain and can be
empirically estimated. Second order estimation methods provide a framework for
both estimating the probabilities and quantifying the uncertainty in these
estimates. We refer to these cases as uncer tain or second-order Bayesian
networks. When such data are complete, i.e., all variable values are observed
for each instantiation, the conditional probabilities are known to be
Dirichlet-distributed. This paper improves the …
arxiv bayesian data incomplete data learning ml networks uncertain
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