| treering {stats} | R Documentation |
Contains normalized tree-ring widths in dimensionless units.
data(treering)
A univariate time series with 7981 observations. The object is of
class "ts".
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.
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