09 40.30342 22.62309 40.41341  0.000</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 4      f1 22.62309 40.30342 22.62309 40.43537  0.005</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 5      f1 22.62309 40.30342 22.62309 40.45731  0.000</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 6      f1 22.62309 40.30342 22.65266 40.30342  0.000</span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co">##  feature   from.X   from.Y     to.X   