summary.rollcall function

summarize a rollcall object

Provides a summary of the information about votes, legislators, etc in a rollcall object.

## S3 method for class 'rollcall'
summary(object,
                 dropList=NULL,  
                 verbose=FALSE,debug=FALSE,...)

## S3 method for class 'summary.rollcall'
print(x, digits=1, ...)

Arguments

• object: an rollcall object.
• dropList: a list or alist, listing voting decisions, legislators and/or votes to be dropped from the summary; see dropRollCall for details.
• verbose: logical, if TRUE, compute legislator-specific and vote-specific Yea/Nay/NA summaries
• debug: logical, if TRUE, print messages to console during processing of the rollcall object
• x: an object of class summary.rollcall
• digits: number of decimal places in printed display
• ...: further arguments passed to or from other methods.

Returns

An object of class summary.rollcall with the following elements (depending on the logical flag verbose):

• n: number of legislators in the rollcall object, after processing the dropList

• m: number of roll call votes in the rollcall

  object, after processing the dropList

• codes: a list that describes how the voting decisions in the rollcall matrix (object$votes) map into Yea and Nay etc, after processing the dropList; see rollcall for more details

• allVotes: a matrix containing a tabular breakdown of all votes in the rollcall matrix (object$votes), after processing the dropList

• partyTab: a tabular breakdown of the legislators' party affiliations, after processing the dropList, and only if party affiliations are supplied asobject$legis.data$party; see rollcall for details

• lopSided: a tabular summary of the frequency of lop-sided roll call votes in the rollcall object, again, after processing the dropList

• legisTab: a tabular summary of each legislators' voting history

• partyLoyalty: the proportion of times that each legislator votes the way that a majority of his or her fellow partisans did, provided party affiliations are available

• voteTab: a tabular summary of each rollcall's votes

• call: the matched call used to invoke summary.rollcall

See Also

rollcall

Examples

set.seed(314159265)
fakeData <- matrix(sample(x=c(0,1),size=1000,replace=TRUE),
                   10,100)
rc <- rollcall(fakeData)
rc

data(sc9497)
rc <- rollcall(sc9497)
summary(rc)

data(s109)
summary(s109)
summary(s109,verbose=TRUE)