These data are used in the book "Computational Statistics" 
by G.H. Givens and J.A. Hoeting.

Name: tree.dat
Chapter: 9
Discussed in: Example 9.11

Source: see authors & citations in dplR package for R

Description: Basal area growth increments for a bristlecone pine tree
for 452 years from 1532 to 1983. Note: the basal area growth column
has already been detrended and standardized.

Variable labels: year, basal