[R] Problems with data.matrix

Dear List I have what is probably a simple problem that I just can't seem to solve. I have a data list which is in the form: lev2.list [[1]] 1 2 number number [[2]] 3 4 number number etc down to [[1100]] I'm wanting to convert this to a data.matrix so I ca

Re: [R] Multinomial Logit Models

(model) I simply get the return as NULL? Am I missing something? Many thanks -- Laura Gross [EMAIL PROTECTED] __ [EMAIL PROTECTED] mailing list http://www.stat.math.ethz.ch/mailman/listinfo/r-help

[R] Fixed Correlation Matrices in gee package

Dear List I am using the gee package and want to specify my own correlation structure using the corstr(fixed) option. Can anybody advise me how exactly I need to define the structure I want? Do I create a matrix myself? How can I get the command to realise it needs to use my own matrix? Many tha