sitka89

Impact of ozone on the growth of sitka spruce trees.

datasets

Generalized estimating equations solver for parameters in
mean, scale, and correlation structures, through mean link,
scale link, and correlation link. Can also handle clustered
categorical responses. See e.g. Halekoh and Højsgaard, (2005,
<doi:10.18637/jss.v015.i02>), for details.

Søren Højsgaard

geepack

Generalized Estimating Equation Package

Ulrich Halekoh

Jun Yan

Claus Thorn Ekstrøm

sitka89 function

A dataframe
<dl>
<dt>size:</dt>
<dd>size of the tree measured in \(log(height*diamter^2)\)</dd>
<dt>time:</dt>
<dd>days after the 1st january, 1988</dd>
<dt>tree:</dt>
<dd>id number of a tree</dd>
<dt>treat:</dt>
<dd>ozone: grown under ozone environment, control: ozone free</dd></dl>

Format

Growth of Sitka Spruce Trees — sitka89

A dataframe
<dl>
<dt>size:</dt>
<dd>size of the tree measured in \(log(height*diamter^2)\)</dd>


<dt>time:</dt>
<dd>days after the 1st january, 1988</dd>


<dt>tree:</dt>
<dd>id number of a tree</dd>


<dt>treat:</dt>
<dd>ozone: grown under ozone environment, control: ozone free</dd>



</dl>

sitka89: Growth of Sitka Spruce Trees

Description

Usage

Arguments

Format

Examples