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