R: Applications to a Political Science PhD Program

admit {pscl} | R Documentation

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

[Package pscl version 1.5.2 Index]