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gmnl (version 1.1-3.2)

bread.gmnl: Bread for Sandwiches

Description

Computes the ``bread'' of the sandwich covariance matrix for objects of class gmnl.

Usage

# S3 method for gmnl
bread(x, ...)

Arguments

x

a fitted model of class gmnl.

...

other arguments when bread is applied to another class object.

Value

The covariance matrix times observations

Details

For more information see bread from the package sandwich.

References

Zeileis A (2006), Object-oriented Computation of Sandwich Estimators. Journal of Statistical Software, 16(9), 1--16.