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2007 May 02
3
ED50 from logistic model with interactions
Hi,
I was wondering if someone could please help me. I am doing a logistic
regression to compare size at maturity between 3 seasons. My model is:
fit <- glm(Mature ~ Season * Size - 1, family = binomial, data=dat)
where Mature is a binary response, 0 for immature, 1 for mature. There
are 3 Seasons.
The Season * Size interaction is significant. I would like to compare the
size at 50%