gpadat {CR2}

Grade point average (GPA) data of students from 25 schools

Description

For investigating heteroskedasticity.

Usage

data(gpadat)

Format

A data frame with 8,956 rows and 18 variables:

gpa

Grade point average. 1 = D ... 4 = A.

female

Gender. Female = 1.

race

Student race/ethnicity (factor).

dis

Disability status (1 = yes/0 = no).

frpl

Free/reduced price lunch status.

race_w

Dummy coded race (White).

race_a

Dummy coded race (Asian).

race_b

Dummy coded race (Black).

race_h

Dummy coded race (Hispanic).

race_o

Dummy coded race (Other).

per_asian

Group-aggregated Asian variable.

per_black

Group-aggregated Black variable.

per_hisp

Group-aggregated Hispanic variable.

per_other

Group-aggregated Other variable.

per_fem

Group-aggregated female variable.

per_dis

Group-aggregated disability variable.

per_frpl

Group-aggregated frpl variable.

schoolid

School identifier (cluster variable).