an> ~ <span class='no'>ind</span>, <span class='no'>newdata</span>)</div><div class='output co'>#&gt; 
#&gt; 	Kruskal-Wallis rank sum test
#&gt; 
#&gt; data:  values by ind
#&gt; Kruskal-Wallis chi-squared = 7.3553, df = 2, p-value = 0.02528
#&gt; </div><div class='input'>
</div></pre>
  </div>
  <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
    <h2>Contents</h2>
    <ul class="nav nav-pills nav-stacked">
      
      <li><a href="#format">Format</a></li>

      <li><a href="#source">Source</a></l