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\name{mapClass}
\alias{mapClass}
\title{Correspondence between classifications}
\description{
Best correspondence between classes given two vectors viewed
as alternative classifications of the same object.
}
\usage{
mapClass(a, b)
}
\arguments{
\item{a}{
A numeric or character vector of class labels.
}
\item{b}{
A numeric or character vector of class labels.
Must have the same length as
\code{a}.
}
}
\value{
A list with two named elements,
\code{aTOb} and
\code{bTOa} which are themselves lists.
The \code{aTOb} list has a component corresponding
to each unique element of \code{a}, which gives
the element or elements of \code{b}
that result in the closest class correspondence.
The \code{bTOa} list has a component corresponding
to each unique element of \code{b}, which gives
the element or elements of \code{a}
that result in the closest class correspondence.
}
\seealso{
\code{\link{classError}},
\code{\link{table}}
}
\examples{
a <- rep(1:3, 3)
a
b <- rep(c("A", "B", "C"), 3)
b
mapClass(a, b)
a <- sample(1:3, 9, replace = TRUE)
a
b <- sample(c("A", "B", "C"), 9, replace = TRUE)
b
mapClass(a, b)
}
\keyword{cluster}
|
