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2012 Nov 20
0
Multilevel analysis using nlme (lme) . Error using z-scores
...icipality[601:900] <- 200 #"Gniezno" # # In my model, i want to estimate student's achievments, #so i pick some random data, but I also want to #differentiate between the municipalities la$students_score[la$municipality=="Warszawa"] <- rnorm(n=nrow(la[la$municipality=="Warszawa",]),mean=33,sd=4) la$students_score[la$municipality=="Płock"] <- rnorm(n=nrow(la[la$municipality=="Płock",]),mean=22,sd=4) la$stud...