lt value is
<code>"overton"</code>.</p></dd>


<dt>conf</dt>
<dd><p>Numeric value providing the Gaussian-based confidence level.  The default value
is <code>95</code>.</p></dd>


<dt>pctval</dt>
<dd><p>Vector of the set of values at which percentiles are
estimated.  The default set is: <code>c(5, 10, 25, 50, 75, 90, 95)</code>.</p></dd>


<dt>statistics</dt>
<dd><p>Character vector specifying desired estimates, where
<code>"CDF"</code> specifies CDF estimates, <code>"Pct"</code> specifies percentile
estimat