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An accessor function used to extract the model frame from a 'cmp' object.

Usage

# S3 method for class 'cmp'
model.frame(formula, ...)

Arguments

formula

an object class 'cmp' object, obtained from a call to glm.cmp

...

other arguments passed to or from other methods (currently unused).

Value

The method will return the saved data.frame used when fitting the cmp model.