treering Yearly Treering Data, -6000–1979
Description
Contains normalized tree-ring widths in dimensionless units.
Usage
treering
Format
A univariate time series with 7981 observations. The object is of class "ts".
Each tree ring corresponds to one year.
Details
The data were recorded by Donald A. Graybill, 1980, from Gt Basin Bristlecone Pine 2805M, 3726-11810 in Methuselah Walk, California.
Source
Time Series Data Library: https://robjhyndman.com/TSDL/, series ‘CA535.DAT’
References
For some photos of Methuselah Walk see https://web.archive.org/web/20110523225828/http://www.ltrr.arizona.edu/~hallman/sitephotos/meth.html
Copyright (©) 1999–2012 R Foundation for Statistical Computing.
Licensed under the GNU General Public License.