;num&gt;        &lt;num&gt;       &lt;num&gt;    &lt;fctr&gt;</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   1:          5.1         3.5   -1.3357516  -1.3110521    setosa</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   2:          4.9         3.0   -1.3357516  -1.3110521    setosa</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   3:          4.7         3.2   -1.3923993  -1.3110521    setosa</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   4