Re: [R] reduced set of alternatives in package mlogit

2016-04-13 Thread Jose Marcos Ferraro
code? example data? We can only guess based on your vague post. "PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code." Moreover, this sounds like a statistical question, not a question about R

Re: [R] reduced set of alternatives in package mlogit

2016-04-01 Thread Jose Marcos Ferraro
-Original Message- From: Bert Gunter [mailto:bgunter.4...@gmail.com] Sent: quinta-feira, 31 de março de 2016 20:22 To: Jose Marcos Ferraro <jose.ferr...@logiteng.com> Cc: r-help@r-project.org Subject: Re: [R] reduced set of alternatives in package mlogit code? example data? We ca

[R] reduced set of alternatives in package mlogit

2016-03-31 Thread Jose Marcos Ferraro
I'm trying to estimate a multinomial logit model but in some choices only alternatives from a subset of all possible alternatives can be chosen. At the moment I get around it by creating "dummy" variables to mean the alternative is not available and let it estimate this coefficient as highly