Poisson deviance function
Y : array-like
Endogenous response variable
mu : array-like
Fitted mean response variable
deviance : float
The deviance function at (Y,mu) as defined below.
Notes
If a constant term is included it is defined as
deviance = 2*sum_i(Y*log(Y/mu))
scikits.statsmodels.family.family.Poisson.devresid
scikits.statsmodels.family.family.Poisson.loglike
Enter search terms or a module, class or function name.