_jgrid_r0.py 文件源码

def make_scoring( scoring):
    if scoring == 'r2':
        return make_scorer( metrics.r2_score)
    elif scoring == 'mean_absolute_error':
        return make_scorer( metrics.mean_absolute_error, greater_is_better=False)
    elif scoring == 'mean_squared_error':
        return make_scorer( metrics.mean_squared_error, greater_is_better=False)
    elif scoring == 'median_absolute_error':
        return make_scorer( metrics.median_absolute_error, greater_is_better=False)
    else:
        raise ValueError("Not supported scoring")