def markov_blanket_sample(X, e, bn):
    """Return a sample from P(X | mb) where mb denotes that the
    variables in the Markov blanket of X take their values from event
    e (which must assign a value to each). The Markov blanket of X is
    X's parents, children, and children's parents."""
    Xnode = bn.variable_node(X)
    Q = ProbDist(X)
    for xi in bn.variable_values(X):
        ei = extend(e, X, xi)
        # [Equation 14.12:]
        Q[xi] = Xnode.p(xi, e) * product(Yj.p(ei[Yj.variable], ei)
                                         for Yj in Xnode.children)
    return probability(Q.normalize()[True])
def markov_blanket_sample(X, e, bn):
    """Return a sample from P(X | mb) where mb denotes that the
    variables in the Markov blanket of X take their values from event
    e (which must assign a value to each). The Markov blanket of X is
    X's parents, children, and children's parents."""
    Xnode = bn.variable_node(X)
    Q = ProbDist(X)
    for xi in bn.variable_values(X):
        ei = extend(e, X, xi)
        # [Equation 14.12:]
        Q[xi] = Xnode.p(xi, e) * product(Yj.p(ei[Yj.variable], ei)
                                         for Yj in Xnode.children)
    return probability(Q.normalize()[True])
def markov_blanket_sample ( X , e , bn ) : Xnode = bn . variable_node ( X ) Q = ProbDist ( X ) for xi in bn . variable_values ( X ) : ei = extend ( e , X , xi ) # [Equation 14.12:] Q [ xi ] = Xnode . p ( xi , e ) * product ( Yj . p ( ei [ Yj . variable ] , ei ) for Yj in Xnode . children ) return probability ( Q . normalize ( ) [ True ] )
Return a sample from P(X | mb) where mb denotes that the
    variables in the Markov blanket of X take their values from event
    e (which must assign a value to each). The Markov blanket of X is
    X's parents, children, and children's parents.
Return a sample from P ( X | mb ) where mb denotes that the variables in the Markov blanket of X take their values from event e ( which must assign a value to each ) . The Markov blanket of X is X s parents children and children s parents .