View source: R/Rchoice.methods.R
estfun.Rchoice | R Documentation |
It extracts the gradient for each observations evaluated at the estimated parameters for a model of class Rchoice
## S3 method for class 'Rchoice'
estfun(x, ...)
x |
a fitted model of class |
... |
Other arguments when |
For more information see estfun
from package sandwich.
the gradient matrix of dimension n times k
Zeileis A (2006), Object-oriented Computation of Sandwich Estimators. Journal of Statistical Software, 16(9), 1–16.
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