sitka89 {geepack}R Documentation

Growth of Sitka Spruce Trees

Description

Impact of ozone on the growth of sitka spruce trees.

Usage

data(sitka89)

Format

A dataframe

size:
size of the tree measured in log(height*diamter^2)
time:
days after the 1st january, 1988
tree:
id number of a tree
treat:
ozone: grown under ozone environment, control: ozone free

Examples

data(sitka89)
attach(sitka89)

[Package geepack version 1.0-16 Index]