Calculate the MLE of the Gamma Dispersion Parameter in a GLM Fit

DESCRIPTION:

A front end to for convenience. Finds the reciprocal of the estimate of the shape parameter only.

USAGE:

gamma.dispersion(object, ...)

REQUIRED ARGUMENTS:

object
Fitted model object giving the gamma fit.

OPTIONAL ARGUMENTS:

...
Additional arguments passed on to gamma.shape.

VALUE:

The MLE of the dispersion parameter of the gamma distribution.

SEE ALSO:

, including the example on its help page.

EXAMPLES:

# The function is currently defined as
function(fm, ...)
1/gamma.shape(fm, ...)[[1]]