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nfstat
2011 Nov 24
3
The contrast and Design libraries
...ackage that is as simple
to use (the students won't cope with anything more complicated - we're all
biologists not statisticians).
I hope someone can help.
Here is a typical bit of code I'm currently running so you can see what
I'm trying to do:
exptime is a covariate and both infstat and status are factors
mod<-glm(propalive~exptime+infstat+status+
infstat:status,
data=dat)
library(contrast)
contrast(mod3,
a = list(status = levels(dat$status), infstat="control", exptime=8230),
b = list(status = levels(dat$status), infstat="infected&qu...