ncy can be specified.
    </li>
    </ul>
  <br>
   <li>Merging and combining different TEfficiency objects is
   supported
   (see the <a
  href="http://root.cern.ch/root/htmldoc/TEfficiency.html#cm">class
  documentation</a>):
   </li>
</ul>

<h4>New TKDE class</h4>

<ul>
  <li>New class for Kernel density estimation from Bartolomeu
  Rabacal. The algorithm used is described in "Cranmer KS, <i>Kernel Estimation in High-Energy
   Physics</i>. Computer Physics Communications 136:198-207,2001" -
  e-Print Ar