ss="def-type"><var class="var">out</var> =</code> <strong class="def-name">zCO2</strong> <code class="def-code-arguments">()</code><a class="copiable-link" href="#index-zCO2"> &para;</a></span></dt>
<dd>
<p>Carbon Dioxide Uptake in Grass Plants
</p>
<h4 class="subsubheading" id="Description-84"><span>Description<a class="copiable-link" href="#Description-84"> &para;</a></span></h4>

<p>The <code class="code">CO2</code> data set has 84 rows and 5 columns of data from an experiment
on the cold tolerance of th