如何在Python中基于多个列和条件执行组函数
输入数据帧:如何在Python中基于多个列和条件执行组函数,python,pandas,dataframe,Python,Pandas,Dataframe,输入数据帧: Order Id Part Name Ordered Date Supplier PO Value Part Value Last PO - Diff 30501 7-AUTO GLOW 30-Aug-19 0884 SUN 398,310 19,200 Nan 28349 7-AUTO GLOW 4-Sep-19 0884 SUN 787,405 24,300 5 10556 7-AUTO GLOW 03-Nov-19
Order Id Part Name Ordered Date Supplier PO Value Part Value Last PO - Diff
30501 7-AUTO GLOW 30-Aug-19 0884 SUN 398,310 19,200 Nan
28349 7-AUTO GLOW 4-Sep-19 0884 SUN 787,405 24,300 5
10556 7-AUTO GLOW 03-Nov-19 0884 SUN 426,767 84,240 60
22320 7-AUTO GLOW 07-Nov-19 0884 SUN 52,500 13,500 4
Order Id Part Name Ordered Date Supplier PO Value Part Value Last PO - Diff
30501 7-AUTO GLOW 30-Aug-19 0884 SUN 398,310 19,200 Nan
28349 7-AUTO GLOW 4-Sep-19 0884 SUN 787,405 24,300 5