pandas series/DataFrame 更换索引
发布时间:2020-12-17 17:02:42 所属栏目:Python 来源:网络整理
导读:pandas series/DataFrame 更换索引 a?=?[{"content":?"1",?"title":?"刘德华",?"info":?"",?"time":?1578877014},?????{"content":?"2",?"time":?1579877014},?????{"content":?"3",?"time":?1582877014},?????{"content":?"aa",?"title":?"苹果",?"time":?1
pandas series/DataFrame 更换索引 a?=?[{"content":?"1",?"title":?"刘德华",?"info":?"",?"time":?1578877014},?????{"content":?"2",?"time":?1579877014},?????{"content":?"3",?"time":?1582877014},?????{"content":?"aa",?"title":?"苹果",?"time":?1582876014},?????{"content":?"15",?"title":?"apple",?"time":?1581877014},?????{"content":?"16",?"title":?"banana",?"time":?1561877014},?????] ????? data?=?[{"content":?"1",?????] index=[i['content']?for?i?in?a] s=pd.Series(data,index) re_index=[eval(i['content'])?for?i?in?a] #?替换索引 s.index=re_index print(s.index) >>>?Int64Index([0,?1,?2,?3,?4,?5],?dtype='int64') df.index=list(range(6)) print(df.index) >>>?Int64Index([0,?dtype='int64') 参考文档: pandas series/DataFrame 更换索引 https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.Series.reindex.html (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |