Hello,
I am attempting to calculate the variation in many butterfly population sizes
across 35 years of monitoring. The data are in fractions, so I am using a
binomial glm with a logit link function to look for population trends across
years. I was wondering if I could use the residual deviance output from the
glm's as a proxy of population variability? What are the issues associated with
doing this? Thanks!
Josh
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