<p>In <a href="https://github.com/mlpack/mlpack/pull/749#discussion_r74688589">src/mlpack/methods/lsh_model/lshmodel.hpp</a>:</p>
<pre style='color:#555'>&gt; +                 const arma::mat&amp; statistic);
&gt; +
&gt; +      /** 
&gt; +       * Evaluate the statistic for a given dataset size.
&gt; +       *
&gt; +       * @param N - a new input size for which to evaluate the expected
&gt; +       *     statistic.
&gt; +       */
&gt; +      double Predict(size_t N, size_t k) 
&gt; +      { return alpha * std::pow(k, beta) * std::pow(N, gamma); };
&gt; +
&gt; +      //! Set the alpha parameter.
&gt; +      void Alpha(double a) { alpha = a; };
&gt; +
&gt; +      //! Get the alpha parameter.
&gt; +      double Alpha(void) { return alpha; };
</pre>
<p>No need to mark <code>void</code> here, that's implicit.  For the other functions, I might consider marking the parameters const (like <code>const size_t N</code> instead of <code>size_t N</code>) even though it does nothing at all.  At least in mlpack, input options are generally denoted with a const specifier.  You can go either way here, since like I said it does nothing at all.</p>

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