I have been trying to run a Generalized Linear Mixed Model (GLMM) for some count data with repeated measures on sub-sampled sites and fixed effects at the site level with covariates at both the sub-plot and time levels. Plus there are different n...

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I recently got very close to the floating point trap, again, so here is a little tribute with some small examples!

What a headline.. It's about combining boolean vectors in R.