n agreement with the general Bayesian idea
(
Bayesian technique
) we
write
The observable data
depends directly only on
,
hence
Also, in agreement with the structure of the
model,
Hence,
We replace the dependence on the sample
with dependence on the
statistics
according to the
formula
and drop the multiplicative constants. We
obtain


(Hierarchical1)

where we are using the notation
.
