this is my data:
这是我的数据:
Anon_Student_Id Problem_Hierarchy Problem_Name Problem_View Number_Of_Steps Sum_Of_Steps_Duration Sum_Of_Hints result 1 80nlN05JQ6 Unit ES_01, Section ES_01-6 EG21 8 3 28 0 1 2 80nlN05JQ6 Unit ES_01, Section ES_01-6 EG21 9 3 37 0 0 3 80nlN05JQ6 Unit ES_01, Section ES_01-6 EG21 10 3 50 0 0 4 80nlN05JQ6 Unit ES_01, Section ES_01-6 EG22 1 3 78 0 0 5 80nlN05JQ6 Unit ES_01, Section ES_01-6 EG22 2 3 41 0 1 6 80nlN05JQ6 Unit ES_01, Section ES_01-6 EG22 3 3 92 0 0 Anon_Student_Id