Groupby method

【python Data analysis （13）】Pandas Data De duplication and replacement 、 The data packet （groupby Use of methods ）、 Grouping statistical method （ Basic functions and extensions ）_wx62cb940602a10 Technology blog _51CTO Blog 【python Data analysis （13）】Pandas Data De duplication and replacement 、 The data packet （groupby Use of methods ）、 Grouping statistical method （ Basic functions and extensions ）,1. Weight removal and replacement 1.1.duplicated() Method , Whether it is repeated can be judged by Boolean , Get non repeating values （ Before the analogy .is_uhttps://blog.51cto.com/u_15713987/5460362