Normalization (cont.)
•
The main point however, is that 1/P(S) is a
normalizing constant
that allows
conditional terms to sum to one.
•
P(M|S) =
a
P(S|M) P(M)
–
where
a
= 1/P(S) is a normalizing constant
such that
P(M|S) + P(
Ø
M|S) = 1