[R] conditional logistic regression

[Peter Dalgaard]

Eman Alissa <em_alissa at yahoo.com> writes:

> Hi all
> 
> I've got a case-control study, matched for age 1:1. I
> need to run a conditional logistic regression using
> SPSS version (11.5). I was told that it can be
> performed using cox regression model. However, I can
> not figure where the independent variables (numeric
> and categoric) should go? what do strata variable and
> the model time mean?!
> Can someone please clarify how to fill the options of
> the dialogue box?

We can guess, but perhaps your query would be better directed at an
SPSS mailing list? In R, use clogit() from the survival package.

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-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907