ode><a href="https://rdrr.io/r/stats/anova.html" class="external-link">anova()</a></code> are the same.</li>
</ul>
<div class="sourceCode" id="cb21"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="va">class2</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/data.frame.html" class="external-link">data.frame</a></span><span class="op">(</span><span class="va">Z</span>, IQ<span class="op">=</span><span class="va">class</span><span class="op">