R: Growth of Sitka Spruce Trees

sitka89 {geepack} | R Documentation

## Growth of Sitka Spruce Trees

### Description

Impact of ozone on the growth of sitka spruce trees.

### Usage

    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)

[Package geepack version 1.3-0 Index]