[R] sample size mixed poisson glm

that I already have a power of about 1, even with only 5 orchards!!!. I find it hard to believe it though, so I wonder whether this whole approach is flawed in some way, and if so, what are the alternatives. Any other comments or recommendations are most welcome btw. Thanks in advance Caspar

[R] References for elliptical2d(fCopulae)

Caspar Hallmann [[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

[R] stepAIC and polynomial terms

^2), family = logexposure(ExposureDays = DATA$int), data = DATA) and the final one: Call: glm(formula = S ~ FR + Date + I(age^2), family = logexposure(ExposureDays = DATA$int), data = DATA) Thanks very much in advance for your thoughts and suggestions, Caspar Caspar Hallmann MSc

Re: [R] X matrix deemed to be singular in counting process coxph

of a reproducible example? Any help is very much appreciated Thank in advance Caspar Caspar Hallmann MSc Student WUR The Netherlands - Original Message - From: Terry Therneau [EMAIL PROTECTED] To: [EMAIL PROTECTED] Cc: r-help@r-project.org Sent: Friday, October 19, 2007 3:30 PM Subject

[R] X matrix deemed to be singular in counting process coxph

, event) ~ group * t + cluster(nr), deleting all terms apart from 't' still results in the same warning. I seem to have been stuck on this one. Does anyone known or have any suggestions why t can't be estimated? I haven't been able to find any help on the RSiteSearch. Many thanks in advance. Caspar