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  <title>sd (Mongrel::Stats)</title>
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  <pre>    <span class="ruby-comment cmt"># File lib/mongrel/stats.rb, line 64</span>
64:     <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">sd</span>
65:       <span class="ruby-comment cmt"># (sqrt( ((s).sumsq - ( (s).sum * (s).sum / (s).n)) / ((s).n-1) ))</span>
66:       <span class="ruby-keyword kw">begin</span>
67:         <span class="ruby-keyword kw">return</span> <span class="ruby-constant">Math</span>.<span class="ruby-identifier">sqrt</span>( (<span class="ruby-ivar">@sumsq</span> <span class="ruby-operator">-</span> ( <span class="ruby-ivar">@sum</span> <span class="ruby-operator">*</span> <span class="ruby-ivar">@sum</span> <span class="ruby-operator">/</span> <span class="ruby-ivar">@n</span>)) <span class="ruby-operator">/</span> (<span class="ruby-ivar">@n</span><span class="ruby-operator">-</span><span class="ruby-value">1</span>) )
68:       <span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">EDOM</span>
69:         <span class="ruby-keyword kw">return</span> <span class="ruby-value">0</span><span class="ruby-value">.0</span>
70:       <span class="ruby-keyword kw">end</span>
71:     <span class="ruby-keyword kw">end</span></pre>
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Version data entries

3 entries across 3 versions & 1 rubygems

Version Path
mongrel-0.3.13.4 doc/rdoc/classes/Mongrel/Stats.src/M000142.html
mongrel-1.0.1 doc/rdoc/classes/Mongrel/Stats.src/M000145.html
mongrel-1.0 doc/rdoc/classes/Mongrel/Stats.src/M000145.html