Re: [R] selection of optim parameters

2010-07-06 Thread Prof. John C Nash
from BB package also does constraints. It may, of course, turn out that the solution really is on the boundary. JN Message: 47 Date: Mon, 05 Jul 2010 21:53:18 +0200 From: Fabian Gehring To: r-help@r-project.org Subject: [R] selection of optim parameters Message-ID: <4c32382e.3050...@bluewi

Re: [R] selection of optim parameters

2010-07-05 Thread Rubén Roa
> -Mensaje original- > De: r-help-boun...@r-project.org > [mailto:r-help-boun...@r-project.org] En nombre de Fabian Gehring > Enviado el: lunes, 05 de julio de 2010 21:53 > Para: r-help@r-project.org > Asunto: [R] selection of optim parameters > > Hi all, > &

Re: [R] selection of optim parameters

2010-07-05 Thread Charles C. Berry
On Mon, 5 Jul 2010, Fabian Gehring wrote: Hi all, I am trying to rebuild the results of a study using a different data set. I'm using about 450 observations. The code I've written seems to work well, but I have some troubles minimizing the negative of the LogLikelyhood function using 5 free

[R] selection of optim parameters

2010-07-05 Thread Fabian Gehring
Hi all, I am trying to rebuild the results of a study using a different data set. I'm using about 450 observations. The code I've written seems to work well, but I have some troubles minimizing the negative of the LogLikelyhood function using 5 free parameters. As starting values I am using