Contains normalized tree-ring widths in dimensionless units.
A univariate time series with 7981 observations. The object is of
Each tree ring corresponds to one year.
The data were recorded by Donald A. Graybill, 1980, from Gt Basin Bristlecone Pine 2805M, 3726-11810 in Methuselah Walk, California.
For some photos of Methuselah Walk see https://web.archive.org/web/20110523225828/http://www.ltrr.arizona.edu/~hallman/sitephotos/meth.html