Yearly Treering Data, -6000--1979
Contains normalized tree-ring widths in dimensionless units.
The data were recorded by Donald A. Graybill, 1980, from Gt Basin Bristlecone Pine 2805M, 3726-11810 in Methuselah Walk, California.
A univariate time series with 7981 observations. The object is of
"ts". Each tree ring corresponds to one year.
Time Series Data Library: http://www-personal.buseco.monash.edu.au/~hyndman/TSDL/, series CA535.DAT
For background on Bristlecone pines and Methuselah Walk, see http://www.sonic.net/bristlecone/; for some photos see http://www.ltrr.arizona.edu/~hallman/sitephotos/meth.html