Python 中的机器学习特征工程
Robert O'Callaghan
Director of Data Science, Ordergroove
df['Binary_Violation'] = 0 df.loc[df['Number_of_Violations'] > 0, 'Binary_Violation'] = 1
df['Binary_Violation'] = 0
df.loc[df['Number_of_Violations'] > 0, 'Binary_Violation'] = 1
import numpy as np df['Binned_Group'] = pd.cut( df['Number_of_Violations'], bins=[-np.inf, 0, 2, np.inf], labels=[1, 2, 3] )
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