Re: [R] Poisson Regression - Query

2009-09-19 Thread Achim Zeileis
On Sat, 19 Sep 2009, Axel Urbiz wrote: Hi All, My dependent variable is a ratio that takes a value of 0 (zero) for 95% of the observations and positive non-integer values for the other 5%. What model would be appropriate? I'm thinking of fitting a GLM with a Poisson ~. Now, becuase it takes non

[R] Poisson Regression - Query

2009-09-19 Thread Axel Urbiz
Hi All, My dependent variable is a ratio that takes a value of 0 (zero) for 95% of the observations and positive non-integer values for the other 5%. What model would be appropriate? I'm thinking of fitting a GLM with a Poisson ~. Now, becuase it takes non-integer values, using the glm function wi