 id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
    <table class="ref-arguments">
    <colgroup><col class="name" /><col class="desc" /></colgroup>
    <tr>
      <th>X</th>
      <td><p>matrix of X's from the data</p></td>
    </tr>
    <tr>
      <th>u</th>
      <td><p>a particular value to multiply times the X's</p></td>
    </tr>
    </table>

    <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>

    <p>numeric vector</p>

    <h2 class="hasAnchor" 