pandas 取出dataframe中重复的数据(关于某字段)，即去掉不重复的数据 https://blog.csdn.net/jasonwang_/article/details/78984852?utm_medium=distribute.pc_relevant.none-task-blog-utm_term-6&spm=1001.2101.3001.4242
DataFrame中删除重复列（即保留重复列的其中一列）的解决方法 https://blog.csdn.net/winner3/article/details/81053021?biz_id=102&utm_term=dataframe 保留特定的重复行&utm_medium=distribute.pc_search_result.none-task-blog-2allsobaiduweb~default-2-81053021&spm=1018.2118.3001.4187
DataFrame数据中的重复行，利用groupby累加合并https://blog.csdn.net/weixin_41512727/article/details/79767147?ops_request_misc=%7B%22request%5Fid%22%3A%22160190604719195240440931%22%2C%22scm%22%3A%2220140713.130102334.pc%5Fall.%22%7D&request_id=160190604719195240440931&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2allfirst_rank_ecpm_v3~pc_rank_v2-4-79767147.first_rank_ecpm_v3_pc_rank_v2&utm_term=两个dataframe有重复的字段怎么合并&spm=1018.2118.3001.4187
pandas删除符合条件的多行 https://blog.csdn.net/I_AM_KK/article/details/106861982?utm_medium=distribute.pc_relevant_t0.none-task-blog-BlogCommendFromMachineLearnPai2-1.nonecase&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-BlogCommendFromMachineLearnPai2-1.nonecase
https://blog.csdn.net/qq_40981268/article/details/86498762
DataFrame按多个条件删除行 https://blog.csdn.net/weixin_46182294/article/details/106872845?ops_request_misc=%7B%22request%5Fid%22%3A%22160190685319724836760806%22%2C%22scm%22%3A%2220140713.130102334.pc%5Fall.%22%7D&request_id=160190685319724836760806&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2allfirst_rank_ecpm_v3~pc_rank_v2-5-106872845.first_rank_ecpm_v3_pc_rank_v2&utm_term=dataframe+保留特定的重复行&spm=1018.2118.3001.4187
