return the roll call object used in fitting an ideal model
Testing for the Presence of a Zero Hurdle
Methods for hurdle Objects
nicely formatted tables
read roll call data in Poole-Rosenthal KH format
Predicted Probabilties for GLM Fits
plot methods for predictions from ideal objects
create an object of class rollcall
Control Parameters for Hurdle Count Data Regression
constrain legislators' ideal points in analysis of roll call data
rollcall object, 109th U.S. Senate (2005-06).
Vuong's non-nested hypothesis test
Table of Actual Outcomes against Predicted Outcomes for discrete
data models
Hurdle Models for Count Data Regression
convert an object of class ideal to a coda MCMC object
inverse-Gamma distribution
add information about voting outcomes to a rollcall
object
summary of an ideal object
California Congressional Districts in 2006
trace plot of MCMC iterates, posterior density of legislators'
ideal points
Zero-inflated Count Data Regression
compute predicted probabilities from fitted models
Applications to a Political Science PhD Program
constrain item parameters in analysis of roll call data
predicted probabilities from an ideal object
summarize a rollcall object
drop user-specified elements from a rollcall object
Absentee and Machine Ballots in Pennsylvania State Senate Races
plots an ideal object
remap MCMC output via affine transformations
Monte Carlo estimate of pi (3.14159265...)
plot seats-votes curves
Methods for zeroinfl Objects
convert roll call matrix to series of vectors
Control Parameters for Zero-inflated Count Data Regression
votes from the United States Supreme Court, from 1994-1997
likelihood ratio test for over-dispersion in count data
drop unanimous votes from rollcall objects and matrices
predicted probabilities from fitting ideal to rollcall data
convert entries in a rollcall matrix to binary form
elections to Australian House of
Representatives, 1949-2004
Prussian army horse kick data
analysis of educational testing data and roll call data with IRT models, via Markov
chain Monte Carlo methods
elections for U.S. President, 1932-2004, by state
cross national rates of trade union density
A class for creating seats-votes curves
political parties appearing in the U.S. Congress
article production by graduate students in biochemistry Ph.D. programs
compute and optionally plot beta HDRs
information about the American states needed for U.S. Congress
compute various pseduo-R2 measures