\name{omitCodeStrings}
\alias{omitCodeStrings}
\alias{omitCode789}
\alias{omitCodeGENASYS}
\title{
Data sets providing for common cases of missing value handlers.
}
\usage{
omitCodeStrings
omitCode789
omitCodeGENASYS
}
\arguments{}
\value{
  \code{omitCodeStrings <- c(NA="NA", Omit = "Omit", "Not Reached"="Not Reached")}

  \code{omitCode789 <- c(NA = 7, Omit=8, "Not Reached"=9)}

  \code{omitCodeGENASYS <- c(NA = "X", Omit="M", "Not Reached"="N")}
}
\description{
  Datasets which provide the most common cases as arguments for the
  \code{amdToPD} (\code{processOmitCodes}) function.

  The data set \code{omitCode789} corresponds to the NAEP coding scheme.

  The data set \code{omitCodeGENASYS} corresponds to commonly used
  GENASYS codes.
}
\references{
  http://research.ets.org/~ralmond/StatShop/dataFormats.html
}
\seealso{
  \code{\link{amdToPD}},  \code{\link{omitCode789}},
  \code{\link{omitCodeStrings}}
}
\keyword{interface}