;%</a></span></span></span>
<span class="r-in"><span>  <span class="fu"><a href="https://rdrr.io/r/base/transform.html" class="external-link">transform</a></span><span class="op">(</span>Species <span class="op">=</span> <span class="va">iris</span><span class="op">$</span><span class="va">Species</span><span class="op">)</span> <span class="op">-&gt;</span></span></span>
<span class="r-in"><span>  <span class="va">iris_ctr</span></span></span>
<span class="r-in"><span><span class="fu"><a href="https://ggpl