Re: [R] hessian in constrained optimization (constrOptim)

2008-05-13 Thread Giovanni Petris
See nlme::fdHess HTH, Giovanni > Date: Mon, 12 May 2008 18:18:57 +0100 > From: Carlo Fezzi <[EMAIL PROTECTED]> > Sender: [EMAIL PROTECTED] > Precedence: list > Thread-index: Aci0VENEgf84jUE7T0mEusn0OTj4AA== > > Dear helpers, > > I am using the function "constrOptim" to estimate a model with M

[R] hessian in constrained optimization (constrOptim)

2008-05-12 Thread Carlo Fezzi
Dear helpers, I am using the function "constrOptim" to estimate a model with ML with an inequality constraint using the option method='Nelder-Mead'. When I specify the option: hessian = TRUE I obtain the response: Error in f(theta, ...) : unused argument(s) (hessian = TRUE) I guess the function