Description Usage Format Details Source References Examples

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

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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

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.

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

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

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merTools documentation built on May 29, 2017, 6:49 p.m.

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