pscl

Political opinion polls in Australia, 2004-07

elections to Australian House of Representatives, 1949-2016

Batting Averages for 18 major league baseball players, 1970

Voter turnout experiment, using Rock The Vote ads

1992 United Kingdom electoral returns

Absentee and Machine Ballots in Pennsylvania State Senate Races

Applications to a Political Science PhD Program

compute and optionally plot beta HDRs

article production by graduate students in biochemistry Ph.D. programs

California Congressional Districts in 2006

add information about voting outcomes to a rollcall object

constrain item parameters in analysis of roll call data

constrain legislators' ideal points in analysis of roll call data

convert entries in a rollcall matrix to binary form

drop user-specified elements from a rollcall object

drop unanimous votes from rollcall objects and matrices

return the roll call object used in fitting an ideal model

Table of Actual Outcomes against Predicted Outcomes for discrete data models

Hurdle Models for Count Data Regression

Control Parameters for Hurdle Count Data Regression

Testing for the Presence of a Zero Hurdle

analysis of educational testing data and roll call data with IRT models, via Markov chain Monte Carlo methods

convert an object of class ideal to a coda MCMC object

inverse-Gamma distribution

U.S. Senate vote on the use of force against Iraq, 2002.

rollcall object, National Journal key votes of 2007

nicely formatted tables

likelihood ratio test for over-dispersion in count data

compute various pseudo-R2 measures

political parties appearing in the U.S. Congress

plots an ideal object

plot methods for predictions from ideal objects

plot seats-votes curves

Interviewer ratings of respondent levels of political information

remap MCMC output via affine transformations

Methods for hurdle Objects

predicted probabilities from an ideal object

Methods for zeroinfl Objects

compute predicted probabilities from fitted models

Predicted Probabilities for GLM Fits

predicted probabilities from fitting ideal to rollcall data

elections for U.S. President, 1932-2016, by state

Prussian army horse kick data

read roll call data in Poole-Rosenthal KH format

create an object of class rollcall

rollcall object, 109th U.S. Senate (2005-06).

votes from the United States Supreme Court, from 1994-1997

A class for creating seats-votes curves

Monte Carlo estimate of pi (3.14159265...)

information about the American states needed for U.S. Congress

summary of an ideal object

summarize a rollcall object

trace plot of MCMC iterates, posterior density of legislators' ideal points

cross national rates of trade union density

convert roll call matrix to series of vectors

Reports of voting in the 1992 U.S. Presidential election.

Vuong's non-nested hypothesis test

Zero-inflated Count Data Regression

Control Parameters for Zero-inflated Count Data Regression