mse_impl.hpp

Go to the documentation of this file.

#ifndef MLPACK_CORE_CV_METRICS_MSE_IMPL_HPP
#define MLPACK_CORE_CV_METRICS_MSE_IMPL_HPP

namespace mlpack {
namespace cv {

template<typename MLAlgorithm, typename DataType, typename ResponsesType>
double MSE::Evaluate(MLAlgorithm& model,
                     const DataType& data,
                     const ResponsesType& responses)
{
  util::CheckSameSizes(data, (size_t) responses.n_cols, "MSE::Evaluate()",
      "responses");

  ResponsesType predictedResponses;
  model.Predict(data, predictedResponses);
  double sum = arma::accu(arma::square(responses - predictedResponses));

  return sum / responses.n_elem;
}

} // namespace cv
} // namespace mlpack

#endif