pandas 基本保存到csv文件,示例raw_data={'first_name':['John','Jane','Jim'],'last_name':['Doe','Smith','Jones'],'department':['Accounting','Sales','Engineering'],}df=pd.DataFrame(raw_data,columns=raw_data.keys()
pandas 基本保存到csv文件,示例raw_data={'first_name':['John','Jane','Jim'],'last_name':['Doe','Smith','Jones'],'department':['Accounting','Sales','Engineering'],}df=pd.DataFrame(raw_data,columns=raw_data.keys()
pandas处理重复值,示例数据:importpandasaspddf=pd.DataFrame({'a':['Python','Python','Java','Java','C'],'b':[2,2,6,8,10]})df复制代码仅判断单列是否有重复值使用values_counts()对列中值出现次数进行统计。结果默认按照降序进行排列,只需要判断第一行值的出现次数是否为1即可判断是否存在重复值。