These functions run along the direction/addressing and include Running_Avg(), Running_Count(), Running_Sum(), Running_Min(), and Running_Max(), as follows:

Notice that Running_Sum(SUM[Sales])) continues to add the sum of sales to a running total for every row in the partition. Running_Min() keeps the value of the sum of sales if it is the smallest value it has encountered so far as it moves along the rows of the partition.