equitest {COMPoissonReg}

Equidispersion Test

Description

Likelihood ratio test for equidispersion

Usage

equitest(object, ...)

Arguments

object

a model object

...

other parameters which might be required by the model

Details

A generic function for the likelihood ratio test for equidispersion using the output of a fitted mode. The function invokes particular methods which depend on the class of the first argument.

Value

Returns the test statistic and p-value determined from a \chi^2 distribution with d_2 degrees of freedom.

Author(s)

Thomas Lotze