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Hello, I'm trying to use the groupedData function and R is giving me the message: Error: can not find function "groupedData" The code is coming from a textbook so I think it should be correct: pigs<-data.frame(cbind...
Sorry, I realized that somehow the message got truncated. Here is the remaining part of the SAS output: Solutions for Fixed Effects: Effect DIST DW ELI SEX SEAS Estimate Std. Error DF t Value Pr > |t| Intercept -4.6540 0...
Thanks for your responses. I knew that when you include an interaction term in a model you must include the main effects of each of the factors. Therefore, I assumed that SAS will do that by default. In most statistical...
I'm fitting generalized linear mixed models to using several fixed effects (main effects and a couple of interactions) and a grouping factor (site) to explain the variation in a dichotomous response variable (family=binomial). I wanted to compare the...
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