ceCode r"><code><span class="r-in"><span></span></span>
<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/utils/data.html" class="external-link">data</a></span><span class="op">(</span><span class="va">Rohwer</span>, package<span class="op">=</span><span class="st">"heplots"</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="va">Rohwer2</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/subset.html" class="external-link">