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4.1 Parameter Learning > 4.1 Parameter Learning - Pg. 125

4.1. P A R A M E T E R L E A R N I N G 125 ( ) (a) all = 1 bll = 1 a21 = .5 b21 = .5 a22 = .5 b22 = .5 y P(xl) = a l l / ( a 1 1 + P(Yl a21/(a21+b21 ) = 1/2 ix2) = az~ / (a22+b22) = 1/2 a31 = ' 2 5 9 b31 25 a32 = ' 2 5 .--. b32 = .25 / y ~ 7 / / a33 = ' 2 5 -'" b33 = .25 a~ = - 2 5 b34 .25