Finite mixture models Latent class models (lcm): Discrete attributes Graphical Model P(x)=P(AA2…An)=∑P(2=k)ⅡP(4z=k) Distribution for cluster k: IIP(A)z Product multinomial distribution =1 All FMMs One latent variable Yielding one partition of data AAAl2014 Tutorial Nevin L Zhang HKUST 10AAAI 2014 Tutorial Nevin L. Zhang HKUST 10 Finite Mixture Models  Latent class models (LCM): Discrete attributes Distribution for cluster k: Product multinomial distribution:  All FMMs  One latent variable  Yielding one partition of data Graphical Model