Graphical Models:  Assignment 7
Due April 16, 2019

  1. This problem concerns the example network from Unit 6, shown below.  We are interested in using likelihood weighting to estimate the probability distribution of A given D=d1, E=e2.  A sample of 200 cases was generated from this network.
The sampled values are given here.
Unit 6 Example BN

Find the logic sampling estimate of P(A|D=d1,E=e2).  Find the likelihood weighting estimate. Compare with the exact distribution. Discuss.
  1. Find a junction tree for the Bayesian network shown below.
BN picture