Question: Consider the chain-structured Bayesian network, abcd. Suppose you have a training set composed of the following examples in the form (a,b,c,d), with ? indicating a

Consider the chain-structured Bayesian network, abcd. Suppose you have a training set composed of the following examples in the form (a,b,c,d), with "?" indicating a missing value: (0,1,1,1), (1,1,0,0), (1,0,0,0), (1,0,1,1), and (1,?,0,1). Show the first iteration of EM algorithm (initial parameters, E-step, M-step), assuming the parameters are initialized ignoring missing values.

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