Python數據清洗基本流程

# -*- coding: utf-8 -*- """ Created on Wed Jul 4 18:40:55 2018 @author: zhen """ import pandas as pd import numpy as np # 創建空的df，保存測試數據 test_df = pd.DataFrame({'K1':['C1','C1','C2','C3','C4','C2','C1'

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