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2007 Nov 14
2
Help with Bartlett's test on linear model
...linear models. If I take the hellung data set, which is the example in Dalgaard's book. I know var.test works fine but I want to learn how to use the Bartlett's test. > hellung$glucose <- factor(hellung$glucose, labels=c("Yes","No")) > attach(hellung) > tethym.gluc <- hellung[glucose=="Yes",] > tethym.nogluc <- hellung[glucose=="No",] > lm.nogluc <- lm(log10(diameter)~log10(conc), data=tethym.nogluc) > lm.gluc <- lm(log10(diameter)~log10(conc), data=tethym.gluc) I guess I have two questions. 1) How to use bartl...