Weighted average Measure

Question

Hi guys,&nbsp;i need to create a weighted average measure for the following scenario:&nbsp;I have 3 SKU on stock with a stock reach of 10 days each (Col: Stock reach per Qty).&nbsp;&nbsp;They all have 5 quantities on stock (Col: Average Qty on stock).&nbsp;But they have different volume (Col: Volume per stock unit).&nbsp;&nbsp;Now i want to weight the total stock reach of the quantities with the volume. To illustrate i created the two Helping Columns where i calculate what i need for the weighted average. The result is the Col: Total Days Stock reach weighted. This column i want to create with a measure. But without the helping columns since i dont want to create them in the Power BI Model. Here the example:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Helping Columns&nbsp;&nbsp;SKUStock reach per QtyAverage Qty on StockVolume per Stock Unit&nbsp;Total Days Stock reachTotal Volume for stock reachTotal Days Stock reach weightedCalculation1231051&nbsp;50500,45=50*50/5550123410510&nbsp;505004,50=50*500/555012345105100&nbsp;50500045,05=50*5000/5550TOTAL&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5550&nbsp;&nbsp;&nbsp;How must i create the measure for this column?&nbsp;Thanks guys!

amitchandak · Accepted Answer

Anonymous ,Try like
&nbsp;
divide(sumx(all(Table),Table[Stock Unit]*Table[Stock reach]*Table[Stock reach]) ,sumx(all(Table),Table[Stock Unit]*Table[Stock reach]))
&nbsp;

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Weighted average Measure

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				Helping Columns
SKU	Stock reach per Qty	Average Qty on Stock	Volume per Stock Unit	Total Days Stock reach	Total Volume for stock reach	Total Days Stock reach weighted	Calculation
123	10	5	1	50	50	0,45	=50*50/5550
1234	10	5	10	50	500	4,50	=50*500/5550
12345	10	5	100	50	5000	45,05	=50*5000/5550
TOTAL					5550