[R] Julien Ruiz est absent.

2005-11-13 Thread julien . ruiz
Je serai absent(e) du 12/11/2005 au 16/11/2005. Je répondrai à votre message dès mon retour. I will be out of the office from 14-MAR-2005 until 18-MAR-2005 I will reply to your message on my return. Julien Ruiz L'acces immediat aux meilleurs tarifs Air France et au billet

Réf. : Re: [R] Choice modelling (was:(no subject))

2004-12-03 Thread julien . ruiz
I could incorporate indicators of choice availability as explanotary variables, but it does not seem a very good way to do it. Instead, for a logit model, I have coded a likelihood computation of the underlying model with varying choice set and I use optim function to get the maximum. Could