Displaying 1 result from an estimated 1 matches for "money_per_municipi".
2012 Nov 20
0
Multilevel analysis using nlme (lme) . Error using z-scores
...la$z_IQ <- (la$IQ-mean(la$IQ))/sd(la$IQ)
la$z_sscore <-
(la$students_score-mean(la$students_score))/sd(la$students_score)
## Estimate a model with random slopes based on IQ
for each municipality.
##Again: z_IQ is plain IQ, money_per_municipiality
does not very between municipialities
# THIS runs without an error
studentModel<- lme(z_sscore ~ IQ +
money_per_municipality, data=la,random=~IQ|mun,method="ML")
# THIS causes an error. The only difference is o...