t;  ---                          
#&gt; 146:          6.7          5.2
#&gt; 147:          6.3          5.0
#&gt; 148:          6.5          5.2
#&gt; 149:          6.2          5.4
#&gt; 150:          5.9          5.1</div><div class='input'><span class='no'>iris</span> <span class='kw'>%&gt;%</span> <span class='fu'>select_dt</span>(<span class='st'>"Pe"</span>)</div><div class='output co'>#&gt;      Petal.Length Petal.Width
#&gt;   1:          1.4         0.2
#&gt;   2:          1.4         0.2
#