&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:  -0.89767388  1.01560199          1.4         0.2    setosa</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   2:  -1.13920048 -0.13153881          1.4         0.2    setosa</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   3:  -1.38072709  0.32731751          1.3         0.2    setosa</span>
<span class="r-out co"><span class="r-pr">#&