\Header{treering}{Yearly Treering Data, -6000--1979.}
\keyword{datasets}{treering}
\begin{Description}\relax
Contains normalized tree-ring widths in dimensionless units.
Each tree ring corresponds to one year. Tree: Methuselah Walk, Pilo;
Location: California, Gt Basin B C pine 2805M, 3726-11810; 
Author: Donald A. Graybill, 1980.\end{Description}
\begin{Usage}
\begin{verbatim}
data(treering)
\end{verbatim}
\end{Usage}
\begin{Format}\relax
A univariate time series with 7981 observations. The object is of
class \code{"ts"}.\end{Format}
\begin{Source}\relax
Time Series Data Library:
\url{http://www-personal.buseco.monash.edu.au/~hyndman/TSDL/}\end{Source}

