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我正试图在房价上竞争——先进的回归技术——卡格尔竞争
我正在编写一个自定义转换器，它可以与添加组合属性的scikit学习功能无缝配合使用
变压器有四个超参数( add_baths, add_bsmt_baths, add_above_grade_baths, add_porch_area )默认设置为true。这个超参数可以让我很容易地发现添加这些属性是否有助于机器学习算法。
但问题是，当我将其中一个超参数设置为false时，类仍然会返回列，就像我将其设置为true一样

class CombinedAttributesAdder(BaseEstimator, TransformerMixin):
        def __init__(self, add_baths=True, add_bsmt_baths=True, add_above_grade_baths=True, add_porch_area=True):
            self.add_baths = add_baths
            self.add_bsmt_baths = add_bsmt_baths
            self.add_above_grade_baths = add_above_grade_baths
            self.add_porch_area = add_porch_area
        def fit(self, X, y=None):
            return self
        def transform(self, X):
            X['T_FlrSF'] = X['1stFlrSF'] + X['2ndFlrSF']
            if self.add_baths:
                X['T_Bath'] = X['BsmtFullBath'] + X['BsmtHalfBath'] + X['FullBath'] + X['HalfBath']
            if self.add_bsmt_baths:
                X['T_BsmtBath'] = X['BsmtFullBath'] + X['BsmtHalfBath']
            if self.add_above_grade_baths:
                X['T_agBath'] = X['FullBath'] + X['HalfBath']
            if self.add_porch_area:
                X['T_Porch'] = X['OpenPorchSF'] + X['EnclosedPorch'] + X['3SsnPorch'] + X['ScreenPorch']
            return X

    attr_adder = CombinedAttributesAdder(add_baths=False, add_bsmt_baths=False)
    housing_extra_attribs = attr_adder.transform(housing)

这里它应该返回所有列，因为我设置了参数 add_baths=False, add_bsmt_baths=False 它不应该创建 T_Bath 也不是 T_BsmtBath 柱

housing_extra_attribs.columns

...

 Index(['Id', 'MSSubClass', 'MSZoning', 'LotFrontage', 'LotArea', 'Street',
   'Alley', 'LotShape', 'LandContour', 'Utilities', 'LotConfig',
   'LandSlope', 'Neighborhood', 'Condition1', 'Condition2', 'BldgType',
   'HouseStyle', 'OverallQual', 'OverallCond', 'YearBuilt', 'YearRemodAdd',
   'RoofStyle', 'RoofMatl', 'Exterior1st', 'Exterior2nd', 'MasVnrType',
   'MasVnrArea', 'ExterQual', 'ExterCond', 'Foundation', 'BsmtQual',
   'BsmtCond', 'BsmtExposure', 'BsmtFinType1', 'BsmtFinSF1',
   'BsmtFinType2', 'BsmtFinSF2', 'BsmtUnfSF', 'TotalBsmtSF', 'Heating',
   'HeatingQC', 'CentralAir', 'Electrical', '1stFlrSF', '2ndFlrSF',
   'LowQualFinSF', 'GrLivArea', 'BsmtFullBath', 'BsmtHalfBath', 'FullBath',
   'HalfBath', 'BedroomAbvGr', 'KitchenAbvGr', 'KitchenQual',
   'TotRmsAbvGrd', 'Functional', 'Fireplaces', 'FireplaceQu', 'GarageType',
   'GarageYrBlt', 'GarageFinish', 'GarageCars', 'GarageArea', 'GarageQual',
   'GarageCond', 'PavedDrive', 'WoodDeckSF', 'OpenPorchSF',
   'EnclosedPorch', '3SsnPorch', 'ScreenPorch', 'PoolArea', 'PoolQC',
   'MiscFeature', 'MiscVal', 'MoSold', 'YrSold', 'SaleType',
   'SaleCondition', 'T_FlrSF', 'T_Bath', 'T_BsmtBath', 'T_agBath',
   'T_Porch'],
  dtype='object')