#73 — Use Grouped Aggregation Values When Filtering

Problem description & analysis:

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

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

Solution:

Use SPL XLL and enter the following formula:

=spl("=E(?1).group(CategoryName).(a=~.avg(ProductSales),~.select(ProductSales>a)).conj()",A1:C78)

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.

The results are as shown below:

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Comments

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