擅长:python、mysql、java
<p>使用<code>sklearn.metrics.accuracy_score</code><a href="http://scikit-learn.org/stable/modules/generated/sklearn.metrics.accuracy_score.html#sklearn.metrics.accuracy_score" rel="nofollow">Doc here</a>。</p>
<pre><code>from sklearn.metrics import accuracy_score
#create vectors for actual labels and predicted labels...
my_accuracy = accuracy_score(actual_labels, predicted_labels, normalize=False) / float(actual_labels.size)
</code></pre>