AustralianElections {pscl} | R Documentation |
elections to Australian House of
Representatives, 1949-2004
Description
Aggregate data on the 23 elections to Australia's House of
Representatives, 1949 to 2004.
Usage
data(AustralianElections)
Format
date
- date of election, stored using the
Date
class
Seats
- numeric, number of seats in the House of
Representatives
Uncontested
- numeric, number of uncontested seats
ALPSeats
- numeric, number of seats won by the
Australian Labor Party
LPSeats
- numeric, number of seats won by the Liberal Party
CPSeats
- numeric, number of seats won by the Country
Party (later known as the National Party)
OtherSeats
- numeric, number of seats won by other
parties and/or independent candidates
ALP
- numeric, percentage of first preference votes cast for
Australian Labor Party candidates
ALP2PP
- numeric, percentage of the two-party preferred
vote won by Australian Labor Party candidates
LP
- numeric, percent of first preference votes cast for
Liberal Party candidates
NP
- numeric, percent of first preference votes cast for
National Party (Country Party) candidates
DLP
- numeric, percent of first preference votes cast
for Democratic Labor Party candidates
Dem
- numeric, percent of first preference votes cast
for Australian Democrat candidates
Green
- numeric, percent of first preference votes cast
for Green Party candidates
Hanson
- numeric, percent of first preference votes cast
for candidates from Pauline Hanson's One Nation party
Com
- numeric, percent of first preference votes cast
for Communist Party candidates
AP
- numeric, percent of first preference votes cast for
Australia Party candidates
Informal
- numeric, percent of ballots cast that are
spoiled, blank, or otherwise uncountable (usually because of
errors in enumerating preferences)
Turnout
- numeric, percent of enrolled voters recorded
as having turned out to vote (Australia has compulsory voting)
Source
Australian Electoral Commission. http://www.aec.gov.au.
Examples
data(AustralianElections)
attach(AustralianElections)
alpSeatShare <- ALPSeats/Seats
alpVoteShare <- ALP2PP/100
## log-odds transforms
x <- log(alpVoteShare/(1-alpVoteShare))
y <- log(alpSeatShare/(1-alpSeatShare))
ols <- lm(y~x) ## Tufte-style seats-votes regression
xseq <- seq(-4.5,4.5,length=500)
yhat <- coef(ols)[1] + coef(ols)[2]*xseq
yhat <- exp(yhat)/(1+exp(yhat))
xseq <- exp(xseq)/(1+exp(xseq))
## seats vote curve
plot(x=alpVoteShare,
y=alpSeatShare,
xlab="ALP Vote Share",
ylab="ALP Seat Share")
lines(xseq,yhat,lwd=2)
abline(h=.5,lty=2)
abline(v=.5,lty=2)
[Package
pscl version 1.03
Index]