<p>In <a href="https://github.com/mlpack/mlpack/pull/742#discussion_r73782053">src/mlpack/methods/preprocess/preprocess_describe_main.cpp</a>:</p>
<pre style='color:#555'>&gt; +PARAM_INT_IN(&quot;precision&quot;, &quot;Precision of the output statistics.&quot;, &quot;p&quot;, 4);
&gt; +PARAM_INT_IN(&quot;width&quot;, &quot;Width of the output table.&quot;, &quot;w&quot;, 8);
&gt; +PARAM_FLAG(&quot;population&quot;, &quot;If specified, the program will calculate statistics &quot;
&gt; +    &quot;assuming the dataset is the population. By default, the program will &quot;
&gt; +    &quot;assume the dataset as a sample.&quot;, &quot;P&quot;);
&gt; +
&gt; +/**
&gt; +* Calculates the sum of deviations to the Nth Power
&gt; +*
&gt; +* @param input Vector that captures a dimension of a dataset
&gt; +* @param rowMean Mean of the given vector.
&gt; +* @return sum of nth power deviations
&gt; +*/
&gt; +double SumNthPowerDeviations(const arma::rowvec&amp; input,
&gt; +    const double&amp; rowMean,
&gt; +    const size_t Nth) // Degree of Power
</pre>
<p>updated</p>

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