treering:
Yearly Treering Data, -6000--1979
Description
Contains normalized tree-ring widths in dimensionless units.
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.