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geepack (version 1.3.12)

sitka89: Growth of Sitka Spruce Trees

Description

Impact of ozone on the growth of sitka spruce trees.

Usage

sitka89

Arguments

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

Run this code

data(sitka89)

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