<p>I originally built a <a href="https://github.com/keonkim/mlpack/commit/c2f5c5c2e6cbce084992629e192023519873e4cb">class</a> that calculates descriptive statistics. But after a few discussion, I ended up shrinking all of the functions down to minimum to provide maximum performance and maintainability.<br>
I also merged all commits to one to discard unnecessary commits.</p>
<p>Sample output on "iris.csv" would be:</p>
<pre><code>[INFO ] dim var mean std median min max range skew kurt SE
[INFO ] 0 0.6857 5.8433 0.8281 5.8000 4.3000 7.9000 3.6000 0.3149 -0.5521 0.0676
[INFO ] 1 0.1880 3.0540 0.4336 3.0000 2.0000 4.4000 2.4000 0.3341 0.2908 0.0354
[INFO ] 2 3.1132 3.7587 1.7644 4.3500 1.0000 6.9000 5.9000 -0.2745 -1.4019 0.1441
[INFO ] 3 0.5824 1.1987 0.7632 1.3000 0.1000 2.5000 2.4000 -0.1050 -1.3398 0.0623
</code></pre>
<p>Users can control the width and precision using -w and -p flag.<br>
I tested the output using excel and they match perfectly.</p>
<hr>
<h4>You can view, comment on, or merge this pull request online at:</h4>
<p> <a href='https://github.com/mlpack/mlpack/pull/742'>https://github.com/mlpack/mlpack/pull/742</a></p>
<h4>Commit Summary</h4>
<ul>
<li>add descriptive statistics executable</li>
<li>Merge branch 'master' of github.com:keonkim/mlpack</li>
<li>add descriptive statistics cli executable</li>
</ul>
<h4>File Changes</h4>
<ul>
<li>
<strong>M</strong>
<a href="https://github.com/mlpack/mlpack/pull/742/files#diff-0">src/mlpack/methods/preprocess/CMakeLists.txt</a>
(1)
</li>
<li>
<strong>A</strong>
<a href="https://github.com/mlpack/mlpack/pull/742/files#diff-1">src/mlpack/methods/preprocess/preprocess_describe_main.cpp</a>
(231)
</li>
</ul>
<h4>Patch Links:</h4>
<ul>
<li><a href='https://github.com/mlpack/mlpack/pull/742.patch'>https://github.com/mlpack/mlpack/pull/742.patch</a></li>
<li><a href='https://github.com/mlpack/mlpack/pull/742.diff'>https://github.com/mlpack/mlpack/pull/742.diff</a></li>
</ul>
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