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ML之interpret:基于titanic泰坦尼克是否获救二分类预测数据集利用interpret实现EBC模型可解释性之全局解释/局部解释案例
2022-08-03 22:40:00 【一个处女座的程序猿】
ML之interpret:基于titanic泰坦尼克是否获救二分类预测数据集利用interpret实现EBC模型可解释性之全局解释/局部解释案例
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基于titanic泰坦尼克是否获救二分类预测数据集利用interpret实现EBC模型可解释性之全局解释/局部解释案例
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ML之interpret:基于titanic泰坦尼克是否获救二分类预测数据集利用interpret实现EBC模型可解释性之全局解释/局部解释案例
ML之interpret:基于titanic泰坦尼克是否获救二分类预测数据集利用interpret实现EBC模型可解释性之全局解释/局部解释案例实现
基于titanic泰坦尼克是否获救二分类预测数据集利用interpret实现EBC模型可解释性之全局解释/局部解释案例
# 1、定义数据集
PassengerId | Survived | Pclass | Name | Sex | Age | SibSp | Parch | Ticket | Fare | Cabin | Embarked |
1 | 0 | 3 | Braund, Mr. Owen Harris | male | 22 | 1 | 0 | A/5 21171 | 7.25 | S | |
2 | 1 | 1 | Cumings, Mrs. John Bradley (Florence Briggs Thayer) | female | 38 | 1 | 0 | PC 17599 | 71.2833 | C85 | C |
3 | 1 | 3 | Heikkinen, Miss. Laina | female | 26 | 0 | 0 | STON/O2. 3101282 | 7.925 | S | |
4 | 1 | 1 | Futrelle, Mrs. Jacques Heath (Lily May Peel) | female | 35 | 1 | 0 | 113803 | 53.1 | C123 | S |
5 | 0 | 3 | Allen, Mr. William Henry | male | 35 | 0 | 0 | 373450 | 8.05 | S |
# 2、数据预处理
# 2.1、类别特征编码
# 2.2、特征筛选且空值填充
Pclass Age SibSp Parch Fare Sex_encoding Embarked_encoding \
0 3 22.0 1 0 7.2500 1 0
1 1 38.0 1 0 71.2833 0 1
2 3 26.0 0 0 7.9250 0 0
3 1 35.0 1 0 53.1000 0 0
4 3 35.0 0 0 8.0500 1 0
Survived
0 0
1 1
2 1
3 1
4 0
# 3、模型建立与训练
# 3.1、数据集切分
# 3.2、建立EBC模型
# 3.3、基于EBC模型实现模型可解释性
# (1)、整体的可解释性
Sex_encoding
Pclass
Fare
Age
SibSp
pclass x Sex_encoding
Parch
Embarked_encoding
Age x Fare
Age x SibSp
Parch x Fare
Parch x Sex_encoding
Age x Parch
Pclass x Age
Age x Sex_encoding
age,10岁以下,年龄小的,可以增加生存的机会
fare票价越高,越可以增加生存的机会
男性,会降低生存的机会
0港口即Southampton港口,会降低生存的机会
# (2)、局部的可解释性—选择测试样本数据中前5行
前五个样本,逐个可视化每一个样本的预测解释
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