<p>In <a href="https://github.com/mlpack/mlpack/pull/694#discussion_r66958936">src/mlpack/methods/preprocess/preprocess_imputer_main.cpp</a>:</p>
<pre style='color:#555'>&gt; +  const size_t feature = (size_t) CLI::GetParam&lt;int&gt;(&quot;feature&quot;);
&gt; +  string imputeStrategy = CLI::GetParam&lt;string&gt;(&quot;impute_strategy&quot;);
&gt; +
&gt; +  // missing value should be specified
&gt; +  if (!CLI::HasParam(&quot;missing_value&quot;))
&gt; +    Log::Fatal &lt;&lt; &quot;--missing_value must be specified in order to perform &quot;
&gt; +               &lt;&lt; &quot;any imputation strategies.&quot; &lt;&lt; endl;
&gt; +
&gt; +  // warn if user did not specify output_file
&gt; +  if (!CLI::HasParam(&quot;output_file&quot;))
&gt; +    Log::Warn &lt;&lt; &quot;--output_file is not specified, no &quot;
&gt; +              &lt;&lt; &quot;results from this program will be saved!&quot; &lt;&lt; endl;
&gt; +
&gt; +  // if custom value is specified, and imputation strategy is not,
&gt; +  // set imputation strategy to &quot;custom&quot;
&gt; +  if (CLI::HasParam(&quot;custom_value&quot;) &amp;&amp; !(imputeStrategy == &quot;custom&quot;))
</pre>
<p><a href="https://github.com/stereomatchingkiss" class="user-mention">@stereomatchingkiss</a> you are right, it is now updated :)</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">&mdash;<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/mlpack/mlpack/pull/694/files/5a517c25ef55de1f4814dc3605190d17f868ff82#r66958936">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe/AJ4bFD1RFj5vk0niB-t1NxbV96N6sizoks5qLp1bgaJpZM4I07W-">mute the thread</a>.<img alt="" height="1" src="https://github.com/notifications/beacon/AJ4bFGzngQf9XI21P8LoqmkajzFshz7Gks5qLp1bgaJpZM4I07W-.gif" width="1" /></p>
<div itemscope itemtype="http://schema.org/EmailMessage">
<div itemprop="action" itemscope itemtype="http://schema.org/ViewAction">
  <link itemprop="url" href="https://github.com/mlpack/mlpack/pull/694/files/5a517c25ef55de1f4814dc3605190d17f868ff82#r66958936"></link>
  <meta itemprop="name" content="View Pull Request"></meta>
</div>
<meta itemprop="description" content="View this Pull Request on GitHub"></meta>
</div>