\Header{na.rpart}{Handles Missing Values in an Rpart Object}
\keyword{tree}{na.rpart}
\begin{Description}\relax
Handles missing values in an \code{rpart} object.
\end{Description}
\begin{Usage}
\begin{verbatim}
na.rpart(x)
\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\code{x}] a model frame.

\end{ldescription}
\end{Arguments}
\begin{Details}\relax
Internal function that handles missing values when calling the
function \code{rpart}.
\end{Details}

