       has an arity, which is the arity of the samples it contains.
              </li>
</ul></div>
<p>
            Hence the dataset implements the notion of <span class="emphasis"><em>sequence</em></span>.
          </p>
<p>
            The descriptive power of the datasets in <span class="emphasis"><em>Unit Test Framework</em></span>
            comes from
          </p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
                the <a class=