[R] BEGINNER:create dummy variables

Michele Grassi grassi at psico.univ.trieste.it
Mon Aug 4 17:08:13 CEST 2003

I want to put a categorical variables (3 levels) in my 
logit model. I have to use 2 dummy variables for code 
theese 3 levels. How can I transform my categorical 
Thank you. Michele.

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