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| admit   | R Documentation   |
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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)   

