egsingle {twang} | R Documentation |
A subset of the mathematics scores from the U.S. Sustaining Effects Study.
The subset consists of information on 1721 students from 60 schools. This
dataset is available in the mlmRev
package.
data(egsingle)
A data frame with 7230 observations on the following 12 variables.
schoolid
childid
year
grade
math
retained
0
1
indicating if
the student has been retained in a grade.female
Female
Male
black
0
1
indicating if the student is Blackhispanic
0
1
indicating if the student is Hispanicsize
lowinc
mobility
Reproduced from themlmRev
package for use in the
section on nonresponse weighting in the twang
package
vignette. These data are distributed with the HLM software package
(Bryk, Raudenbush, and Congdon, 1996). Conversion to the R format is
described in Doran and Lockwood (2006).
Doran, H.C. and J.R. Lockwood (2006). ``Fitting value-added models in R,'' Journal of Educational and Behavioral Statistics, 31(1)