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## Aggregate over groups dynamically

I have a table that looks like this: The end result would need to look like this: The table result will change based on other filters selected, so I don't think it can be a calculated column. A measure makes more sense, but have struggled trying to figure out how to sum the data dynamically based on filters selected. Any assistance is appreciated! Thank you.

3 REPLIES 3  Super User IV

Unless I am missing something, you should just be able to do something like:

```Total Cost = SUM([Cost])

Total Quantity = SUM([Quantity])

Cost Per = DIVIDE([Total Cost],[Total Quantity],BLANK())```

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Thank you for the suggestion. I tried it and it gave the same results as my calculation below, but both are still not quite the right answer. It needs to be the summation of all costs / the summation of all quantities averaged over all locations depending on the filter selected.

Value =
var __Numerator = CALCULATE(sum(Table[Cost]),FILTER(Table, Table[Location]=SELECTEDVALUE(Table[Location])))
var __Denominator = CALCULATE(sum(Table[Quantity]),FILTER(Table, Table[Location]=SELECTEDVALUE(Table[Location])))

return DIVIDE(__Numerator/__Denominator) Anonymous
Not applicable
```[Total Cost] = sum ( 'Table'[Cost] )
[Total Quantity] = sum ( 'Table'[Quantity] )
[Average Cost] = divide ( [Total Cost], [Total Quantity] )

averagex(

summarize(
'Table',
'Table'[Location]
),
"'Table'[AvgCostPerLocation]", [Average Cost]
),

'Table'[AvgCostPerLocation]
)```

Please never use the table name in front of a measure and always use the table name before a column. This is one of the most important things in good DAX. Never deviate from this. EVER.

Best

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