star {esvis} | R Documentation |
Data from the Tennessee class size experiment
Description
These data come from the Ecdat package and represent a cross-section of data from Project STAR (Student/Teacher Achievement Ratio), where students were randomly assigned to classrooms.
Usage
star
Format
A data frame with 5748 rows and 9 columns.
- sid
Integer. Student identifier.
- schid
Integer. School identifier.
- condition
Character. Classroom type the student was enrolled in (randomly assigned to).
- tch_experience
Integer. Number of years of teaching experience for the teacher in the classroom in which the student was enrolled.
- sex
Character. Sex of student: "girl" or "boy".
- freelunch
Character. Eligibility of the student for free or reduced price lunch: "no" or "yes"
- race
Character. The identified race of the student: "white", "black", or "other"
- math
Integer. Math scale score.
- reading
Integer. Reading scale score.
[Package esvis version 0.3.1 Index]