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different results across versions for glmer/lmer with the quasi-poisson or quasi-binomial families: the lattest version might not be accurate...
2 messages · Gosselin Frederic, Ben Bolker
Gosselin Frederic <frederic.gosselin <at> cemagref.fr> writes:
Dear R-helpers,
this mail is intended to mention a rather trange result and
generate potential useful comments on it. I am
not aware of another posts on this issue
( RSiteSearch("quasipoisson lmer version dispersion")).
[snip snip] I would definitely forward this to r-sig-mixed-models at lists.r-project.org, if I were you. At one point I reported what may be the same bug; http://tinyurl.com/ye3pkve I don't know when it appeared and when it was fixed, so I don't know whether it explains your results or not.