pscl v1.5.5


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Political Science Computational Laboratory

Bayesian analysis of item-response theory (IRT) models, roll call analysis; computing highest density regions; maximum likelihood estimation of zero-inflated and hurdle models for count data; goodness-of-fit measures for GLMs; data sets used in writing and teaching at the Political Science Computational Laboratory; seats-votes curves.

Functions in pscl

Name Description
betaHPD compute and optionally plot beta HDRs
AustralianElectionPolling Political opinion polls in Australia, 2004-07
convertCodes convert entries in a rollcall matrix to binary form
UKHouseOfCommons 1992 United Kingdom electoral returns
constrain.legis constrain legislators' ideal points in analysis of roll call data
constrain.items constrain item parameters in analysis of roll call data
AustralianElections elections to Australian House of Representatives, 1949-2016
computeMargins add information about voting outcomes to a rollcall object
dropRollCall drop user-specified elements from a rollcall object
iraqVote U.S. Senate vote on the use of force against Iraq, 2002.
idealToMCMC convert an object of class ideal to a coda MCMC object
nj07 rollcall object, National Journal key votes of 2007
absentee Absentee and Machine Ballots in Pennsylvania State Senate Races
dropUnanimous drop unanimous votes from rollcall objects and matrices
bioChemists article production by graduate students in biochemistry Ph.D. programs
predict.hurdle Methods for hurdle Objects
ca2006 California Congressional Districts in 2006
EfronMorris Batting Averages for 18 major league baseball players, 1970 information about the American states needed for U.S. Congress
hurdle Hurdle Models for Count Data Regression
postProcess remap MCMC output via affine transformations
simpi Monte Carlo estimate of pi (3.14159265...)
extractRollCallObject return the roll call object used in fitting an ideal model
hurdletest Testing for the Presence of a Zero Hurdle
RockTheVote Voter turnout experiment, using Rock The Vote ads
igamma inverse-Gamma distribution
ideal analysis of educational testing data and roll call data with IRT models, via Markov chain Monte Carlo methods
predprob compute predicted probabilities from fitted models
hurdle.control Control Parameters for Hurdle Count Data Regression
ntable nicely formatted tables
vectorRepresentation convert roll call matrix to series of vectors
vote92 Reports of voting in the 1992 U.S. Presidential election.
pR2 compute various pseudo-R2 measures
plot.ideal plots an ideal object
plot.predict.ideal plot methods for predictions from ideal objects
summary.ideal summary of an ideal object
predict.ideal predicted probabilities from an ideal object
politicalInformation Interviewer ratings of respondent levels of political information
odTest likelihood ratio test for over-dispersion in count data
hitmiss Table of Actual Outcomes against Predicted Outcomes for discrete data models
predict.zeroinfl Methods for zeroinfl Objects
predprob.ideal predicted probabilities from fitting ideal to rollcall data
partycodes political parties appearing in the U.S. Congress
predprob.glm Predicted Probabilities for GLM Fits
s109 rollcall object, 109th U.S. Senate (2005-06).
plot.seatsVotes plot seats-votes curves
presidentialElections elections for U.S. President, 1932-2016, by state
prussian Prussian army horse kick data
summary.rollcall summarize a rollcall object
zeroinfl Zero-inflated Count Data Regression
rollcall create an object of class rollcall
seatsVotes A class for creating seats-votes curves
vuong Vuong's non-nested hypothesis test
tracex trace plot of MCMC iterates, posterior density of legislators' ideal points
zeroinfl.control Control Parameters for Zero-inflated Count Data Regression
unionDensity cross national rates of trade union density
sc9497 votes from the United States Supreme Court, from 1994-1997
readKH read roll call data in Poole-Rosenthal KH format
admit Applications to a Political Science PhD Program
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Last month downloads


Date 2020-02-25
LazyData true
License GPL-2
NeedsCompilation yes
RoxygenNote 6.0.1
Packaged 2020-02-27 03:32:23 UTC; jackman
Repository CRAN
Date/Publication 2020-03-07 12:00:02 UTC

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