\Header{banking}{Banking}
\keyword{dplot}{banking}
\begin{Description}\relax
Calculates `banking' slope
\end{Description}
\begin{Usage}
\begin{verbatim}
banking(dx, dy)
\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\code{dx, dy}] vector of consecutive x, y differences. 
\end{ldescription}
\end{Arguments}
\begin{Details}\relax
\code{banking} is a crude banking function used when aspect="xy" in
high level Trellis functions. Its usually not very menaingful except
for \code{xyplot}. It just orders the absolute slopes and returns a value
which when adjusted by the panel scale limits will make the median of
the above absolute slopes a 45 degree line.
\end{Details}
\begin{Author}\relax
Deepayan Sarkar \email{deepayan@stat.wisc.edu}
\end{Author}
\begin{SeeAlso}\relax
\code{\Link{Lattice}}, \code{\Link{xyplot}}
\end{SeeAlso}

