 class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;<span class="comment">!           output = output + ( iter.data - mean )**2</span></div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;<span class="comment">!           </span></div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;<span class="comment">!           iter =&gt; iter.next</span></div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160