Language Scores of 8-Graders in The Netherlands
The bdf data frame has 2287 rows and 25 columns of language scores from grade 8 pupils in elementary schools in The Netherlands.
data
data(bdf)
Format
- schoolNR: a factor denoting the school.
- pupilNR: a factor denoting the pupil.
- IQ.verb: a numeric vector of verbal IQ scores
- IQ.perf: a numeric vector of IQ scores.
- sex: Sex of the student.
- Minority: a factor indicating if the student is a member of a minority group.
- repeatgr: an ordered factor indicating if one or more grades have been repeated.
- aritPRET: a numeric vector
- classNR: a numeric vector
- aritPOST: a numeric vector
- langPRET: a numeric vector
- langPOST: a numeric vector
- ses: a numeric vector of socioeconomic status indicators.
- denomina: a factor indicating of the school is a public school, a Protestant private school, a Catholic private school, or a non-denominational private school.
- schoolSES: a numeric vector
- satiprin: a numeric vector
- natitest: a factor with levels
0 and 1
- meetings: a numeric vector
- currmeet: a numeric vector
- mixedgra: a factor indicating if the class is a mixed-grade class.
- percmino: a numeric vector
- aritdiff: a numeric vector
- homework: a numeric vector
- classsiz: a numeric vector
- groupsiz: a numeric vector
References
Snijders, Tom and Bosker, Roel (1999) Multilevel Analysis: An Introduction to Basic and Advanced Multilevel Modeling, Sage.
Examples
summary(bdf)