Poisson model probability mass function
X : array-like
X is the linear predictor of the model. See notes.
pdf : ndarray
The value of the Poisson probability mass function, PMF, for each point of X.
Notes
The PMF is defined as
where assumes the loglinear model. I.e.,
The parameter X is in the above formula.
statsmodels.discrete.discrete_model.Poisson.loglikeobs
statsmodels.discrete.discrete_model.Poisson.predict
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