R Dataset / Package datasets / treering


On this R-data statistics page, you will find information about the treering data set which pertains to Yearly Treering Data, -6000–1979. The treering data set is found in the datasets R package. You can load the treering data set in R by issuing the following command at the console data("treering"). This will load the data into a variable called treering. If R says the treering data set is not found, you can try installing the package by issuing this command install.packages("datasets") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the treering R data set. The size of this file is about 90,677 bytes.

Yearly Treering Data, -6000–1979


Contains normalized tree-ring widths in dimensionless units.




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 some photos of Methuselah Walk see http://www.ltrr.arizona.edu/~hallman/sitephotos/meth.html


Dataset imported from https://www.r-project.org.

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<iframe src="https://r-data.pmagunia.com/iframe/r-dataset-package-datasets-treering.html" frameBorder="0" width="100%" height="307px" />
Attachment Size
dataset-77260.csv 88.55 KB
Dataset License
GNU General Public License v2.0
Documentation License
GNU General Public License v2.0

This documentation is licensed under GPLv3 or later.