merTools (version 0.2.1)

hsb: A subset of data from the 1982 High School and Beyond survey used as examples for HLM software

Description

A key example dataset used for examples in the HLM software manual. Included here for use in replicating HLM analyses in R.

Usage

hsb

Format

A data frame with 7,185 observations on the following 8 variables.

schid

a numeric vector, 160 unique values

mathach

a numeric vector for the performance on a standardized math assessment

female

a numeric vector coded 0 for male and 1 for female

ses

a numeric measure of student socio-economic status

minority

a numeric vector coded 0 for white and 1 for non-white students

schtype

a numeric vector coded 0 for public and 1 for private schools

meanses

a numeric, the average SES for each school in the data set

size

a numeric for the number of students in the school

Source

Data made available by UCLA Institute for Digital Research and Education (IDRE) online: http://www.ats.ucla.edu/stat/hlm/seminars/hlm6/mlm_hlm6_seminar.htm

Details

The data file used for this presentation is a subsample from the 1982 High School and Beyond Survey and is used extensively in Hierarchical Linear Models by Raudenbush and Bryk. It consists of 7,185 students nested in 160 schools.

References

Stephen W. Raudenbush and Anthony S. Bryk (2002). Hierarchical Linear Models: Applications and Data Analysis Methods (2nd ed.). SAGE.

Examples

data(hsb)
head(hsb)