擅长:python、mysql、java
<p>F1分数的<a href="http://scikit-learn.org/stable/modules/generated/sklearn.metrics.f1_score.html" rel="nofollow">formula</a>是</p>
<pre><code>F1 = 2 * (pr * re) / (pr + re)
</code></pre>
<p>精确<code>pr = tp / (fp + tp)</code>和召回{<cd2>}</p>
<p>你计算的<code>macro_averaged</code>是完全不同的。在</p>