Arafat; You should listen to Umesh rather than myself on this point, and i should refrain from posting after my bedtime. I should have typed "glm".
-- David Winsemius On Mar 25, 2009, at 12:37 AM, Umesh Srinivasan wrote: > Hi, > > Not exactly sure what you mean, but if you want to run a poisson > regression and then look at the coefficients, then this is what you > need: > > poisson.model <- glm(response ~ predictor, family = "poisson") > > summary(poisson.model) > > Will give you the intercept and slope. Since poisson regression uses > a log link to model data linearly, the coefficients are in the log > scale. > > Cheers, > Umesh > > On Wed, Mar 25, 2009 at 4:20 AM, David Winsemius <dwinsem...@comcast.net > > wrote: > Consider: gls with family="poisson" > > > > On Mar 24, 2009, at 1:26 PM, Arafat Ud Zaman wrote: > > Dear sir, > I want to know about R command for parameter estimation for > generalized > Poisson regression. > > yours faithfully > > Arafat Ud Zaman > 4th year(Hons) > Applied statistics > University of Dhaka > Mob- +8801715173176 > David Winsemius, MD Heritage Laboratories West Hartford, CT [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.