Exam | R Documentation |
Exam scores of 4,059 students from 65 schools in Inner London.
data(Exam)
A data frame with 4059 observations on the following 9 variables.
School ID - a factor.
Normalized exam score.
School gender - a factor. Levels are mixed
,
boys
, and girls
.
School average of intake score.
Student level Verbal Reasoning (VR) score band at intake -
a factor. Levels are bottom 25%
, mid 50%
, and
top 25%
.
Band of student's intake score - a factor.
Levels are bottom 25%
, mid 50%
and top
25%
./
Standardised LR test score.
Sex of the student - levels are F
and M
.
School type - levels are Mxd
and Sngl
.
Student id (within school) - a factor
http://www.bristol.ac.uk/cmm/learning/mmsoftware/data-rev.html
Goldstein, H., Rasbash, J., et al (1993). A multilevel analysis of school examination results. Oxford Review of Education 19: 425-433
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))