Description Usage Format Details Source Examples
A data set for studying nested random factors.
1 |
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).
1 2 3 4 5 | data(schoolclass)
str(schoolclass)
#
# with library(lme4)
# (m0 <- lmer(score ~ gender + (1|school/class), data=schoolclass))
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