Applications to a Political Science PhD Program

Description

Ordinal ratings (faculty evaluations) of applicants to a Political Science PhD Program.

Usage

data(admit)

Format

A data frame with 106 observations on the following 6 variables.

score

an ordered factor with levels 1 < 2 < 3 < 4 < 5

gre.quant

applicant's score on the quantitative section of the GRE; the maximum score is 800

gre.verbal

applicant's score on the verbal section of the GRE; the maximum score is 800

ap

1 if the applicant indicated an interest in American politics; 0 otherwise

pt

1 if the applicant indicated an interest in Political Theory; 0 otherwise

female

1 for female applicants; 0 otherwise

References

Jackman, Simon. 2004. "What Do We Learn From Graduate Admissions Committees?: A Multiple-Rater, Latent Variable Model, with Incomplete Discrete and Continuous Indicators." Political Analysis. 12(4):400-424.

Examples

data(admit)
summary(admit)
require(MASS)
## ordered probit model
op1 <- polr(score ~ gre.quant + gre.verbal + ap + pt + female,
            Hess=TRUE,
            data=admit,
            method="probit")
summary(op1)
hitmiss(op1)
logLik(op1)
pR2(op1)