[R] Execution halting of lmer on UNIX when no problem on windows

of the bootstrap runs are producing unstable models in rare instances, but just one is sufficient to halt the execution of the script. I am running R.2.3.1 on both Windows and UNIX, Many thanks in advance, Toby Gardner School of Environmental Sciences University of East Anglia Norwich, NR4 7TJ

[R] Extracting overdispersion estimates from lmer amd glm objects

objects. Has anyone any recommendations? I also need to do this for glm objects although I suspect if someone was able to kindly point me in the right direction then the solution is likely to be similar. Very many thanks, Toby Gardner sessionInfo() Version 2.3.1 (2006-06-01) i386-pc-mingw32

Re: [R] Problem with Variance Components (and general glmmconfusion)

a lot). Many thanks! Toby Gardner platform i386-pc-mingw32 arch i386 os mingw32 system i386, mingw32 status major 2 minor 3.1 year 2006 month 06 day01 svn rev38247 language R version.string

[R] Problem with Variance Components (and general glmm confusion)

the latest release of lmer, and also they do not evaluate glmmML. To a newcomer this myriad ! of options is bewildering, can anyone offer advice as to the most robust approach? Many thanks for your time and patience, Toby Gardner School of Environmental Sciences University of East Anglia Norwich