ples"><div class='input'><span class='no'>iris</span> <span class='kw'>%&gt;%</span> <span class='fu'>select_dt</span>(<span class='no'>Species</span>)</div><div class='output co'>#&gt;        Species
#&gt;   1:    setosa
#&gt;   2:    setosa
#&gt;   3:    setosa
#&gt;   4:    setosa
#&gt;   5:    setosa
#&gt;  ---          
#&gt; 146: virginica
#&gt; 147: virginica
#&gt; 148: virginica
#&gt; 149: virginica
#&gt; 150: virginica</div><div class='input'><span class='no'>iris</span> <span class='kw'