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\name{reg}
\docType{data}
\alias{reg}
\title{Voter Registration in US Southern States}
\description{
This data set contains the racial composition, the registration rate,
the number of eligible voters as well as the actual observed racial
registration rates for every county in four US southern states:
Florida, Louisiana, North Carolina, and South Carolina.
}
\usage{data(reg)}
\format{A data frame containing 5 variables and 275 observations
\tabular{lll}{
X \tab numeric \tab the fraction of Black voters \cr
Y \tab numeric \tab the fraction of voters who registered themselves\cr
N \tab numeric \tab the total number of voters in each county \cr
W1 \tab numeric \tab the actual fraction of Black voters who
registered themselves \cr
W2 \tab numeric \tab the actual fraction of White voters who registered themselves
}
}
\references{King, G. (1997). \dQuote{A Solution to the Ecological
Inference Problem: Reconstructing Individual Behavior from Aggregate
Data}. Princeton University Press, Princeton, NJ.
}
\keyword{datasets}
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