pan class="n">ext</span>
<span class="kn">from</span> <span class="nn">collections</span> <span class="k">import</span> <span class="n">Counter</span>
<span class="kn">from</span> <span class="nn">scipy.stats.stats</span> <span class="k">import</span> <span class="n">pearsonr</span>

<span class="n">__author__</span> <span class="o">=</span> <span class="s1">&#39;huang.andrew12@gmail.com&#39;</span>
<span class="n">__copyright__</span> <span class="o">=</span> <span class="s1">&#39;Andrew Huang&#39;</span>
