<p>In <a href="https://github.com/mlpack/mlpack/pull/740#discussion_r73206145">src/mlpack/methods/preprocess/preprocess_imputer_main.cpp</a>:</p>
<pre style='color:#555'>&gt;    {
&gt; -    CustomImputation&lt;double&gt; strat(customValue);
&gt; -    Imputer&lt;double, MapperType, CustomImputation&lt;double&gt;&gt; imputer(info, strat);
&gt; +    Log::Debug &lt;&lt; &quot;The file does not contain any user-defined missing &quot;
&gt; +        &lt;&lt; &quot;variables. The program did not perform any imputation.&quot; &lt;&lt; endl;
</pre>
<p>Should this be <code>Log::Warn</code>?</p>

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