Daphne Koller Wrapup BNs vs MNs Probabilistic Graphical Models Representation Template vertLeftWhite1 Consider representing a given P using a graphical model. Which of the following is correct? P can always be represented as a BN but maybe not an MN. P always can be represented as an MN but maybe not a BN. P can always be represented both as a BN and as an MN. Its possible that P can be represented as neither a BN nor an MN. Template vertLeftWhite1 Consider representing a given P using a graphical model, where our goal is to capture I(P) exactly. Which of the following is correct? I(P) can always be represented as a BN but maybe not an MN. I(P) always can be represented as an MN but maybe not a BN. I(P) can always be represented both as a BN and as an MN. Its possible that I(P) can be represented using neither a BN nor an MN. Daphne Koller Bayes Net as Gibbs Distribution IntelligenceDifficulty Grade Letter SAT Template block2x2-1 Ordering of buttons is: IntelligenceDifficulty Grade Letter SAT IntelligenceDifficulty Grade Letter SAT IntelligenceDifficulty Grade Letter SAT IntelligenceDifficulty Grade Letter SAT Which of the following undirected graphs is the minimal I-map for the distribution P encoded by the BN on the right? IntelligenceDifficulty Grade Letter SAT Daphne Koller What Do We Lose? IntelligenceDifficulty Grade Letter SAT IntelligenceDifficulty Grade Letter SAT Template vertLeft2 BD C A BD C A Consider a distribution P represented perfectly by the MN H. Which of the following are true? Mark all that apply. G is a minimal I-map for P HG G is an I-map for P but is not minimal G is not an I-map for P because Daphne Koller What Do We Lose? BD C A Daphne Koller Which Should I Use?