    <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
    <table class="ref-arguments">
    <colgroup><col class="name" /><col class="desc" /></colgroup>
    <tr>
      <th>Xref</th>
      <td><p>inputs matrix or data.frame (containing numerical values only)</p></td>
    </tr>
    <tr>
      <th>Yref</th>
      <td><p>target matrix or data.frame (containing numerical values only)</p></td>
    </tr>
    <tr>
      <th>hpar</th>
      <td><p>list of parameters and hyp