Exam {mlmRev} | R Documentation

## Exam scores from inner London

### Description

Exam scores of 4,059 students from 65 schools in Inner London.

### Usage

    data(Exam)

### Format

A data frame with 4059 observations on the following 9 variables.

school
  School ID - a factor.
normexam
  Normalized exam score.
schgend
  School gender - a factor. Levels are `mixed`, `boys`, and `girls`.
schavg
  School average of intake score.
vr
  Student level Verbal Reasoning (VR) score band at intake - a factor. Levels are `bottom 25%`, `mid 50%`, and `top 25%`.
intake
  Band of student's intake score - a factor. Levels are `bottom 25%`, `mid 50%` and `top 25%`./
standLRT
  Standardised LR test score.
sex
  Sex of the student - levels are `F` and `M`.
type
  School type - levels are `Mxd` and `Sngl`.
student
  Student id (within school) - a factor

### Source

http://multilevel.ioe.ac.uk/softrev/exam.html

### References

Goldstein, H., Rasbash, J., et al (1993). A multilevel analysis of school examination results. Oxford Review of Education 19: 425-433

### Examples

    str(Exam)
    summary(Exam)
    (fm1 <- lmer(normexam ~ standLRT + sex + schgend + (1|school), Exam))
    (fm2 <- lmer(normexam ~ standLRT*sex + schgend + (1|school), Exam))
    (fm3 <- lmer(normexam ~ standLRT*sex + schgend + (1|school), Exam))

[Package mlmRev version 0.995-1 Index]