<p>In <a href="https://github.com/mlpack/mlpack/pull/457#discussion_r40674825">src/mlpack/methods/softmax_regression/softmax_regression.hpp</a>:</p>
<pre style='color:#555'>> @@ -141,13 +140,8 @@ class SoftmaxRegression
> * @param numClasses Number of classes for classification.
> * @return Objective value of the final point.
> */
> - double Train(const arma::mat &data, const arma::vec& labels,
> - const size_t numClasses);
> -
> - //! Sets the size of the input vector.
> - size_t& InputSize() { return inputSize; }
> - //! Gets the size of the input vector.
> - size_t InputSize() const { return inputSize; }
</pre>
<p>Looks good to me:)</p>
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