s from Christian Gumpert (CERN summer student 2010) handles the calculation of efficiencies and their uncertainties. It
provides several statistical methods for calculating frequentist and bayesian
confidence intervals as well as a function for combining several efficiencies.</li>
<li>Example of usage: Creating a <tt>TEfficiency</tt> object
  <ul>
    <li>If you start a new analysis, it is highly recommended to use the TEfficiency class
from the beginning. You can then use one of the constructors for fixed 