pscl: extractRollCallObject – R documentation

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extractRollCallObject

return the roll call object used in fitting an ideal model

Description

Given a fitted model of class ideal, return the rollcall object that was used in the model fitting (i.e., apply all subsetting and recoding implied by the dropList passed to ideal).

Usage

extractRollCallObject(object)

Arguments

object

an object of class ideal

Details

This function is used by many post-estimation commands that operate on objects of class ideal. The function inspects the call attribute of the ideal object, extracting the name of the rollcall object and the dropList, then hands them over to dropRollCall.

Value

An object of class rollcall

Author(s)

Simon Jackman simon.jackman@sydney.edu.au

Examples

data(s109)
f = system.file("extdata","id1.rda",package="pscl")
load(f)
tmp <- extractRollCallObject(id1)
summary(tmp)
v <- convertCodes(tmp)         ## roll call matrix per se

pscl

Political Science Computational Laboratory

v1.5.5

GPL-2

Authors

Simon Jackman, with contributions from Alex Tahk, Achim Zeileis, Christina Maimone, Jim Fearon and Zoe Meers

Initial release

2020-02-25