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2010 Mar 11
0
Different results for different order of factor levels?
...from the factor class different for ordered vs non-ordered factors but I am unsure as to how this works for lme(). Shown below is a set of code used to get the coefficients for two different orders of factor levels. THE CODE USED TO GET THE COEFFICIENTS: #Abbr = Subject #PDSI = covariate #PDSI2 = PDSI^2 (To fit a polynomial) #Set the Level order i.levels<-c("Mixed","Short","Tall","NoType") #I am not interested in this level for my comparison data.sub <- data[which(data$indep != "NoType"),] #Convert the data into factors data$indep...