<p>In <a href="https://github.com/mlpack/mlpack/pull/694#discussion_r70025015">src/mlpack/core/data/imputation_methods/listwise_deletion.hpp</a>:</p>
<pre style='color:#555'>&gt; +
&gt; +    if (transpose)
&gt; +    {
&gt; +      for (size_t i = 0; i &lt; input.n_cols; ++i)
&gt; +      {
&gt; +         if (input(dimension, i) == mappedValue ||
&gt; +             std::isnan(input(dimension, i)))
&gt; +         {
&gt; +           output.shed_col(i - count);
&gt; +           count++;
&gt; +         }
&gt; +      }
&gt; +    }
&gt; +    else
&gt; +    {
&gt; +      for (size_t i = 0; i &lt; input.n_rows; ++i)\
</pre>
<p>Updated</p>

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