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# Matrix Measure Total Triple Threat Rock & Roll Greg_Deckler
Super User
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## Matrix Measure Total Triple Threat Rock & Roll

While it would be a bit presumptuous to presume that any single formula could account for all possible measure total situations, the following pattern is presented for handling matrix measure values as well as subtotals and grand totals. This pattern has the added flexibility of being able to handle the same or different aggregation calculations at all three levels. In the example provided, the "normal" aggregation is MIN while at the the subtotal level it is the AVERAGE of those MIN values. At the grand total level, it is the MAX of the AVERAGE of the subtotals.

Overall, this pattern provides extreme flexibility and can be extended to any number of level subtotals.

The main assumption is that there is a "normal aggregation" measure that one is wishing to display in a matrix with correct subtotals and grand total. In this example, the formula for this normal aggregation is "Normal Aggregation = MIN('Table'[Occupancy %]).

```MM3TR&R =
VAR __Category1 = MAX([Category1])
VAR __tmpTable =  SUMMARIZE(
ALLSELECTED('Table'),
'Table'[Category1],
'Table'[Category2],
"Aggregation",[Normal Aggregation]
)
VAR __SubTotal =
AVERAGEX(
FILTER(
__tmpTable,
'Table'[Category1]=__Category1
),
[Aggregation]
)
VAR __GrandTotal =
MAXX(
GROUPBY(
__tmpTable,
[Category1],
"GTAggregation",
AVERAGEX(CURRENTGROUP(),[Aggregation])
),
[GTAggregation]
)
RETURN IF(
HASONEVALUE('Table'[Category1]) && HASONEVALUE('Table'[Category2]),
[Normal Aggregation],
IF(HASONEVALUE('Table'[Category1]),
__SubTotal,
__GrandTotal
)
)```

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