uments"><a class="anchor" href="#arguments"></a>Arguments</h2>
    <table class="ref-arguments">
    <colgroup><col class="name" /><col class="desc" /></colgroup>
    <tr>
      <th>y</th>
      <td><p>a data frame containing the response community data matrix.</p></td>
    </tr>
    <tr>
      <th>x</th>
      <td><p>a data frame containing the predictor community data matrix.</p></td>
    </tr>
    <tr>
      <th>formula</th>
      <td><p>a symbolic description of the model to be fit. The
    details of m