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]