sch29: Data from 29 schools (based on the NELS dataset) used for...
In MLMusingR: Practical Multilevel Modeling

sch29

R Documentation

Data from 29 schools (based on the NELS dataset) used for regression diagnostics

For examining the association between amount homework done per week and math outcome.

data(sch29)

A data frame with 648 rows and 8 variables:

schid: The school identifier (the grouping variable)
ses: Student-level socioeconomic status
byhomewk: Total amount of time the student spent on homework per week. 1 = None, 2 = Less than one hour, 3 = 1 hour, 4 = 2 hours, 5 = 3 hours, 6 = 4-6 hours, 7 = 7 - 9 hours, 8 = 10 or more
math: Mathematics score.
male: Dummy coded gender, 1 = male, 0 = female
minority: Dummy coded minority status, 1 = yes, 0 = no
mses: Aggregated socioeconomic status at the school level
mhmwk: Aggregated time spent on homework at the school level