我有这个DataFrame并且只想要EPS列不是NaN的记录:>>>dfSTK_IDEPScashSTK_IDRPT_Date60116620111231601166NaNNaN60003620111231600036NaN12600016201112316000164.3NaN60100920111231601009NaNNaN601939201112316019392.5NaN00000120111231000001NaNNaN...即df.drop(....)之类的东西来获取这个结果数据帧:STK_IDEPScashSTK_IDRPT_Date600016201112316000
