[R] Score vector in optim

Stéphane Luchini luchini at ehess.cnrs-mrs.fr
Fri May 24 18:12:32 CEST 2002

To test identification problem in maximum likelihood method, I need to
compute the score vectors for each parameter: the value of the first
derivative for all parameter and for all observation. Is there a
possibilty to use the approximate ones used in the procedure optim ?

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