Class BinaryErrorMetric

src/metric/binary_metric.hpp:139–154

! * \brief Error rate metric for binary classification task. */

* \brief Error rate metric for binary classification task.
*/
class BinaryErrorMetric: public BinaryMetric<BinaryErrorMetric> {
 public:
  explicit BinaryErrorMetric(const Config& config) :BinaryMetric<BinaryErrorMetric>(config) {}

  inline static double LossOnPoint(label_t label, double prob) {
    if (prob <= 0.5f) {
      return label > 0;
    } else {
      return label <= 0;
    }
  }

  inline static const char* Name() {
    return "binary_error";
  }
};

/*!
* \brief Auc Metric for binary classification task.