search for: res1b

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2004 Nov 16
1
lme, two random effects, poisson distribution
..._tij Slugs, batch and error are normally distributed, but slugs and batch are not nested factors. I had fit following (however I'm not sure if that is right): slugs.lmedataB <- groupedData(pumps ~ state | slugs/batch, data=as.data.frame(data.slugs)) csB <- corAR1(form= ~ x|slugs/batch) res1B <- lme(pumps ~ state, random = ~1 | slugs/batch, data=slugs.lmedataB, cor=csB) ---------------------------------------- QUESTIONS: 1) Are my models right? Do I model the res1B model properly? 2) Until now, I have assumed that the number of pumps follow the normal distribution. However I know...