Li, Mei; Shankar, Sriram; Tang, Kam Ki - 2009
.
Equations (4) and (5) together establish the Poisson regression model
( 500 | ) exp( )
ii i i
ETOP λ ′= =xxβ (6)
The Poisson … regression model has a number of merits: it captures the discrete and non-
negative nature of the data; it allows inference to be … to the actual sum. Assuming independence among
the count variables, the log-likelihood for the Poisson regression model …