设计思路
输出结果
Pclass Sex Age SibSp Parch Survived
0 3 male 22.0 1 0 0
1 1 female 38.0 1 0 1
2 3 female 26.0 0 0 1
3 1 female 35.0 1 0 1
4 3 male 35.0 0 0 0
Pclass int64
Sex object
Age float64
SibSp int64
Parch int64
Survived int64
dtype: object
object_features_ID： [1]
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bestTest = 0.3997213503
bestIteration = 37
Shrink model to first 38 iterations.
