Re: [R] Multinomial Logit Regression

2008-04-12 Thread Prof Brian Ripley
The function in package nnet for 'Multinomial Logit Regression' is called multinom() and not nnet(). You seem not to have used it, and therein lies your error. If you need more help, multinom() is support software for a book (see library(help=nnet)), and the book has extensive worked examples.

Re: [R] Multinomial Logit Regression

2008-04-12 Thread Ruben Roa Ureta
> Hi again. I believe that I described the things bad before. > > I want to make the analysis with a sample data (train.set) of dataset for > later see if the predictions adjust to the rest of data non selected with > the sample train. > > Then, of the same form in glm: > > library(nnet) > net <-

Re: [R] Multinomial Logit Regression

2008-04-12 Thread _Fede_
Hi again. I believe that I described the things bad before. I want to make the analysis with a sample data (train.set) of dataset for later see if the predictions adjust to the rest of data non selected with the sample train. Then, of the same form in glm: library(nnet) net <- nnet(response.

[R] Multinomial Logit Regression

2008-04-11 Thread _Fede_
Hi all, I have a dataset with a response variable with three categories (1, 2, 3) and a lot of continuous variables. I'd like to make a MLR with these variables. I've been watching the libraries nnet and zelig for this purpose but I don't understand them well. I use a training sample data to ma