摘要: # -*- coding: utf-8 -*- # 代码12-1 评论去重的代码 import pandas as pdimport reimport jieba.posseg as psgimport numpy as np # 去重,去除完全重复的数据reviews = pd.read_csv( 阅读全文
posted @ 2023-04-03 16:21 boyc 阅读(121) 评论(0) 推荐(0)
摘要: # 代码11-1 import os import pandas as pd # 修改工作路径到指定文件夹 os.chdir("E:/demo") # # 第一种连接方式 # from sqlalchemy import create_engine # engine = create_engine( 阅读全文
posted @ 2023-04-03 09:45 boyc 阅读(31) 评论(0) 推荐(0)