Chemistry {Qtools} | R Documentation |
A-level Chemistry Scores
Description
The Chemistry
data frame has 31022 rows and 7 columns of the
A-level scores in Chemistry for England and Wales students, 1997.
Format
This data frame contains the following columns:
- lea
-
school district ID.
- school
-
school ID.
- id
-
subject ID.
- score
-
a numeric vector of A-level scores in Chemistry.
- sex
-
a factor with levels
male
andfemale
- age
-
a numeric vector of ages of the subjects (months).
- gcse
-
a numeric vector of average GCSE scores.
Source
Fielding, A., Yang, M., and Goldstein, H. (2003) “Multilevel ordinal models for examination grades”. Statistical Modelling, 3, 127–53.
[Package Qtools version 1.5.9 Index]