Student Teacher Achievement Ratio (STAR) project data
Data from Tennessee's Student Teacher Achievement Ratio (STAR) project which was a large-scale, four-year study of the effect of reduced class size.
A data frame with 26796 observations on the following 18 variables.
a factor - student id number
a factor - school id number
grade - an ordered factor with levels
class type - a factor with levels
reg+A. The last level indicates a regular class size with a teachers aide.
highest degree obtained by the teacher - an ordered factor with levels
career ladder position of the teacher - a factor with levels
a numeric vector - the total number of years of experience of the teacher
teacher's race - a factor with levels
Orepresenting white, black, Asian, Hispanic, Indian (Native American) and other
the student's total reading scaled score
the student's total math scaled score
socioeconomic status - a factor with levels
Nrepresenting eligible for free lunches or not eligible
school type - a factor with levels
student's sex - a factor with levels
student's ethnicity - a factor with the same levels as
student's birth quarter - an ordered factor with levels
1977:1< ... <
student's birth year - an ordered factor with levels
number of years of schooling for the student - a numeric version of the grade
grwith Kindergarten represented as 0. This variable was generated from
grand does not allow for a student being retained.
a factor - teacher id number
Details of the original data source and the process of conversion to this representation are given in the vignette.
Want to suggest features or report bugs for rdrr.io? Use the GitHub issue tracker.