\name{xsAnnotate}
\alias{xsAnnotate}
\title{Constructor for a xsAnnotate object which one assigned xcmsSet object}
\description{
  This function handles the construction of xsAnnotate object. It
  is generate from a xcmsSet object adapt its peaktable.
}
\usage{
  xsAnnotate(xs = NULL,sample=NA,nSlaves = 1)
}
\arguments{
  \item{xs}{a \code{xcmsSet} object}
  \item{sample}{
    Index of the group xcmsSet sample, that is used for the EIC corelations step. For automatic selection don''t set a value.
  }
  \item{nSlaves}{
    For parallel mode set nSlaves higher than 1, but not higher than the number of cpu cores.
  }
}
\examples{
 library(faahKO)
 xs <- group(faahko)
 xs.anno <- xsAnnotate(xs, sample=1)
 #With automatic selection
 xs.anno.autoselect <-xsAnnotate(xs)
}
\value{
  A \code{xsAnnotate} object.
}
\seealso{
  \code{\link{xsAnnotate-class}}
}
\author{Carsten Kuhl,
 \email{ckuhl@ipb-halle.de}}
\keyword{file}