我有样本数据:: Data-Sample
Country Year Month CustID Sales Point TestSUM OrderType
Singapore 2018 10 AAA 623.96 520 1143.96 1
Singapore 2018 10 AAA 92.16 0 92.16 3
Singapore 2018 11 AAA 1168.28 1002.86 2171.14 1
Singapore 2018 11 BBB 118.58 103.25 221.83 1
Singapore 2018 10 CCC 118.88 103.25 222.13 1
Singapore 2018 11 CCC 278.67 217.75 496.42 1
Singapore 2018 11 CCC -108.72 -94.75 -203.47 2
Singapore 2018 11 CCC 0 0 0 3
Singapore 2018 10 DDD 446.14 385.9 …