ria-label="anchor" href="#arg--"></a></dt>
<dd><p>arguments to be passed to <code>fun</code></p></dd>

</dl></div>
    <div id="details">
    <h2>Details</h2>
    <p>Two basic techniques are available for determining what points fall
  within the same x-neighborhood.  The first technique uses a window with
  a fixed width in the x-dimension and is is selected by
  setting <code>method="width"</code> or <code>method="range"</code>.  For
  <code>method="width"</code> the <code>width</code> argument is an abso