[R] convergence in polr

2004-02-24 Thread C. Spanou
Hello splus-users, I am trying to fit a regression model for an ordered response factor. So I am using the function polr in library(MASS). My data is a matrix of 1665 rows and 63 columns (one of the column is the dependent variable). The code I use is polr(as.ordered(q23p)~.,data=newdatap) but

Re: [R] convergence in polr

2004-02-24 Thread C. Spanou
. On 24 Feb 2004, C. Spanou wrote: Hello splus-users, I am trying to fit a regression model for an ordered response factor. So I am using the function polr in library(MASS). My data is a matrix of 1665 rows and 63 columns (one of the column is the dependent variable). The code I use

[R] polr warning message optim

2004-02-19 Thread C. Spanou
Hello R-users, I am using polr function in library(MASS). The code I use is the following: polr(as.ordered(q23p)~.,data=as.data.frame(datapr2)) where datapr2 is a matrix of 63 columns (together with the dependent variable) and 1665 rows. But I am receiving the warning message Error in

[R] (no subject)

2004-02-04 Thread C. Spanou
Hello I am doing a project on ordered logit/probit models using Splus. I am using the polr function in library(MASS) which is exactly the same code as in R. Unfortunatelly I am not very succesfull with it. The code I used was: polr(factor(resp)~.,data=data3) # data3 does not consist the resp