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2009 Mar 24
0
using residuals of binomial GLM
...length:soil,family="binomial")) I validated that the two methods give the same results. Anyhow, now I want to compare the effect of thick on flowering probability,separately for each soil. But the residuals extracted are not 0 or 1 anymore. Linear glm, such as > model1<-glm(res.thick1~thick*soil) doesn't seem to be right, and, moreover, I am interested in the estimated coefficients and their interpretation (say - plotting a meaningful graph). How can I get a logistic regression from residuals? Do I NEED logistic regression? How should I understand the coefficients I get...