\Header{DDT}{DDT in Kale}
\keyword{datasets}{DDT}
\begin{Description}\relax
A numeric vector of 15 measurements by different laboratories of
the pesticide DDT in kale,
in ppm (parts per million) using the multiple pesticide residue
measurement.
\end{Description}
\begin{Usage}
\begin{verbatim}
data(DDT)
\end{verbatim}
\end{Usage}
\begin{Source}\relax
C. E. Finsterwalder (1976)
Collaborative study of an extension of the Mills
\emph{et al}
method for the determination of pesticide residues in food.
\emph{J. Off. Anal. Chem.} \bold{59}, 169--171

R. G. Staudte and S. J. Sheather (1990)
\emph{Robust Estimation and Testing.}
Wiley
\end{Source}

