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# 代码12-1 评论去重的代码 import pandas as pd import re import jieba.posseg as psg import numpy as np # 去重，去除完全重复的数据 reviews = pd.read_csv(r"G:\data\data\revie 阅读全文
摘要：
import os import pandas as pd import pymysql as pm os.chdir("G:\data\data") con = pm.connect(host='localhost',user='root',password='123456',database=' 阅读全文
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import pandas as pd import numpy as np data = pd.read_excel(r'G:\data\data\original_data.xls') print('初始状态的数据形状为：', data.shape) # 删除热水器编号、有无水流、节能模式属性 阅读全文
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import pandas as pd datafile=r'G:\data\data\air_data.csv' resultfile=r'G:\data\data\explore.csv' data=pd.read_csv(datafile, encoding='utf-8') explore= 阅读全文