Re: [R] Multinomial Logit Model with lots of Dummy Variables

2011-04-17 Thread ghpow1
Hi Thanks to Jeremy for his response... I have been able to generate the factors and generate mlogit data using his code: mldata<-mlogit.data(mydata, varying=NULL, choice="pitch_type_1", shape="wide") my mlogit data looks like: "dependent_var","A variable","B Var","chid","alt" FALSE,"110","19

Re: [R] Multinomial Logit Model with lots of Dummy Variables

2011-04-10 Thread Jeremy Hetzel
If you are just looking to collapse the dummy variables into two factor variables, the following will work. ## Generate some example data set.seed(1234) n <- 100 # Generate outcome outcome <- rbinom(n, 3, 0.5) colnames(exposures) <- paste("V", seq(1:10), sep = "") #Generate dummy variables for A

[R] Multinomial Logit Model with lots of Dummy Variables

2011-04-10 Thread ghpow1
Hi All, I am attempting to build a Multinomial Logit model with dummy variables of the following form: Dependent Variable : 0-8 Discrete Choices Dummy Variable 1: 965 dummy varsgh...@student.monash.edu.augh@gp1.com Dummy Variable 2: 805 dummy vars The data set I am using has the dummy columns p