th Petal.Width   Species</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>            &lt;num&gt;       &lt;num&gt;        &lt;num&gt;       &lt;num&gt;    &lt;fctr&gt;</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  1:          7.1         3.0          5.9         2.1 virginica</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  2:          7.6         3.0          6.6         2.1 virginica</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  3:          