[R] Poisson regression in R

2008-03-01 Thread glmstat
I have these questions: (1) Use Poisson regression to estimate the main effects of car, age, and dist (each treated as categorical and modelled using indicator variables) and interaction terms. (2) It was determined by one study that all the interactions were unimportant and decided that age and

Re: [R] Poisson regression in R

2008-03-02 Thread Peter Dalgaard
glmstat wrote: > I have these questions: > (1) Use Poisson regression to estimate the main effects of car, age, and > dist (each treated as categorical and modelled using indicator variables) > and interaction terms. > (2) It was determined by one study that all the interactions were > unimportan