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 1.0-6 Index]