\name{head}
\alias{head}
\alias{head.default}
\alias{head.data.frame}
\title{ First Part of an Object }
\description{
Returns the first elements of a vector, the first rows of matrix, etc.
}
\usage{
head(x, ...)
head.default(x, n=6)
head.data.frame(x, n=6)
}
\arguments{
  \item{x}{an object }
  \item{n}{ size for the resulting object, number of elements for a vector,
components for a list, rows for a matrix or data frame, lines for a function. }
}
\details{
For matrices and data frames, the first`n' rows are returned.
For functions, the first lines of the deparsed function are
returned as character strings.
}
\value{
an object (usually) like \code{x} but generally smaller.
}
\author{Patrick Burns }

\seealso{\code{\link{tail}}, \code{\link{corner}}. }

\examples{
data(freeny) # R command, not for S-PLUS
head(freeny.x, n=10)
head(freeny.y)
}
\keyword{ manip }% at least one, from doc/KEYWORDS