s='no'>len</span>)</pre>

    <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>prop</th>
      <td><p><code>matrix</code> of properties with number of column equal to the 
length of the alphabet. Column must be named after elements of the 
alphabet. Each row represents a different physicochemical property.</p></td>
    </tr>
    <tr>
      <th>len<