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gmnl (version 1.1-3.2)

estfun.gmnl: Gradient for Observations

Description

It extracts the gradient for each observation evaluated at the estimated parameters for an object of class gmnl.

Usage

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

Arguments

x

a fitted model of class gmnl.

...

other arguments. Ignored.

Value

The gradient matrix of dimension \(n \times K\)

Details

For more information see estfun from package sandwich.

References

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