R: Yearly Treering Data, -6000-1979

treering {datasets} | R Documentation

## 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

[Package datasets version 4.0.5 Index]