6.11 Use group’s aggregation value when filtering


We have an aggregation table for the sales of grouped products:


Now we want to find out the product whose sales is greater than the average in its group:


To solve this problem, we can first calculate group’s average sales and assign it to the temporary variable a, and then use ProductSales>a as the filter condition to filter the group.


esProc Desktop and Excel Processing
6.10 Filter by group’s aggregation value
6.12 Filter by maximum or minimum value within a group (find out one for each group)