schoolclass {asuR} | R Documentation |
A data set for studying nested random factors.
data(schoolclass)
A data frame with 1000 observations on the following 4 variables.
school
a factor with 20 levels
class
a factor with 5 levels
gender
a factor with levels female
male
score
a numeric vector
A simulated data set with 20 schools, each with 5 classes with 10 kids. The parameters: variance among schools (100), variance among classes (50), residual variance (10), factor gender: level female (120), level male (80).
data(schoolclass) str(schoolclass) # # with library(lme4) # (m0 <- lmer(score ~ gender + (1|school/class), data=schoolclass))