code: public SDVariable logLoss(String name, @NonNull SDVariable label, @NonNull SDVariable predictions) {
          return logLoss(name, label, predictions, null, LossReduce.MEAN_BY_NONZERO_WEIGHT_COUNT, LogLoss.DEFAULT_EPSILON);
      }
docs: See {@link #logLoss(String, SDVariable, SDVariable, SDVariable, LossReduce, double)}.