擅长:python、mysql、java
<p>每<a href="http://scikit-learn.org/stable/modules/generated/sklearn.preprocessing.Imputer.html#sklearn.preprocessing.Imputer.fit_transform">the documentation</a>,<code>sklearn.preprocessing.Imputer.fit_transform</code>返回<em>一个新数组</em>,它不会改变参数数组。因此,最小的解决方案是:</p>
<pre><code>X = imp.fit_transform(X)
</code></pre>