an>(mtcars<span class="sc">$</span>gear, mtcars<span class="sc">$</span>cyl)</span>
<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="co">#&gt; Warning in chisq.test(tab, correct = FALSE, ...): Chi-squared approximation may</span></span>
<span id="cb2-4"><a href="#cb2-4" aria-hidden="true" tabindex="-1"></a><span class="co">#&gt; be incorrect</span></span>
<span id="cb2-5"><a href="#cb2-5" aria-hidden="true" tabindex="-1"></a>knitr<span class="sc">::</span><span class="fu">