@abstractmethod
    def negative_gradient(self, y, y_pred, **kargs):
This function will parse command line arguments. To display help and exit
dataset/ETHPy150Open scikit-learn/scikit-learn/sklearn/ensemble/gradient_boosting.py/LossFunction.negative_gradient--crossover with--dataset/ETHPy150Open gengo/decanter/decanter/decanter.py/parse_args