<p>In <a href="https://github.com/mlpack/mlpack/pull/694#discussion_r70025021">src/mlpack/core/data/imputation_methods/mean_imputation.hpp</a>:</p>
<pre style='color:#555'>&gt; @@ -0,0 +1,96 @@
&gt; +/**
&gt; + * @file mean_imputation.hpp
&gt; + * @author Keon Kim
&gt; + *
&gt; + * Definition and Implementation of the MeanImputation class.
&gt; + */
&gt; +#ifndef MLPACK_CORE_DATA_IMPUTE_STRATEGIES_MEAN_IMPUTATION_HPP
&gt; +#define MLPACK_CORE_DATA_IMPUTE_STRATEGIES_MEAN_IMPUTATION_HPP
&gt; +
&gt; +#include &lt;mlpack/core.hpp&gt;
&gt; +#include &lt;cmath&gt;
</pre>
<p>Updated</p>

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