search for: sampperiod

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2010 Dec 13
0
Help with lme for split plot
...was one of three chemical treatments. Each pond side was sampled three times, response variable is the mean of twenty animals. So we have sample time within side within pond. Pond is random effects. There are three or four replicate ponds for each treatment data table looks like this pond side sampperiod response 1 cont 1 x1 1 cont 2 x2 1 cont 3 x3 1 chem1 1 x1 1 chem1 2 x2 1 chem1 3 x3 2 cont 1 x1 2 cont 2 x2 2 cont 3 x3 2 chem2 1 x1 2 chem2 2 x2 2 chem2 3 x3 3 cont 1 x1 3 cont 2 x2 3 cont 3 x3 3 chem3 1 x1 3 chem3 2 x2 3 chem3 3 x3 I can fit a model using aov m1<-a...