an></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>transaction</strong> – transaction in a database</p></li>
<li><p><strong>i</strong> – index of item in transaction</p></li>
</ul>
</dd>
<dt class="field-even">Returns<span class="colon">:</span></dt>
<dd class="field-even"><p>second probability of a node</p>
</dd>
</dl>
</dd></dl>

<dl class="py class">
<dt class="sig sig-object py" id="PAMI.uncertainFrequentPattern.basic.TubeS.TubeS">
<em class="property"><span class="pre">class</span><s