<p>DropOutLayer forgot to initialize the scale parameter(I hope this is the correct way to initialize it)</p>

<hr>

<h4>You can view, comment on, or merge this pull request online at:</h4>
<p>&nbsp;&nbsp;<a href='https://github.com/mlpack/mlpack/pull/463'>https://github.com/mlpack/mlpack/pull/463</a></p>

<h4>Commit Summary</h4>
<ul>
  <li>fix bug--forgot to initialize parameter scale</li>
  <li>adjust format</li>
</ul>

<h4>File Changes</h4>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/mlpack/mlpack/pull/463/files#diff-0">src/mlpack/methods/ann/layer/dropout_layer.hpp</a>
    (3)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/mlpack/mlpack/pull/463.patch'>https://github.com/mlpack/mlpack/pull/463.patch</a></li>
  <li><a href='https://github.com/mlpack/mlpack/pull/463.diff'>https://github.com/mlpack/mlpack/pull/463.diff</a></li>
</ul>

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