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Helper II

Calculation help needed.. avg of all other rows except current row

hi,

i have  a table below. I want to calculate avg of ProductsPurchased of all other rows except current row. And there is filter Year.

ex:   for first row in below table,  'Avg of all others'  should be the below value ( avg of 200+25+100  for year 2016).

Year   Customer   ProductsPurchased   Avg of all others

2016   A              225                               108.3

Year  CustomerProductPurchased

 2016 A 225 2016 B 200 2016 C 25 2016 D 100 2015 A 158 2015 B 150 2015 C 30 2015 D 90
1 ACCEPTED SOLUTION
Community Support

Hi @srk_powerbi ,

Create a measure like this:

Measure = var cur_cus = MAX('Table'[Customer])
return
CALCULATE(AVERAGE('Table'[sales]),FILTER(ALLEXCEPT('Table','Table'[Year]),'Table'[Customer]<>cur_cus))

Best Regards,
Liang
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

3 REPLIES 3
Helper II

@Greg_Deckler  thanks.  the calculated column you provided above gives me the sum. Now  how can i calculate avg?

Also, can i do the same by creating a Measure inst?ead  of calculated column?

Community Support

Hi @srk_powerbi ,

Create a measure like this:

Measure = var cur_cus = MAX('Table'[Customer])
return
CALCULATE(AVERAGE('Table'[sales]),FILTER(ALLEXCEPT('Table','Table'[Year]),'Table'[Customer]<>cur_cus))

Best Regards,
Liang
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

Super User

@srk_powerbi If you add an ID column in Power Query then this should be easier and more certain. Otherwise you can use variables or EARLIER to identify rows other than the current row. See my article on Mean Time Between Failure (MTBF) which uses EARLIER: http://community.powerbi.com/t5/Community-Blog/Mean-Time-Between-Failure-MTBF-and-Power-BI/ba-p/3395....
The basic pattern is:
Column =
VAR __Current = [Value]
VAR __PreviousDate = MAXX(FILTER('Table','Table'[Date] < EARLIER('Table'[Date])),[Date])

VAR __Previous = MAXX(FILTER('Table',[Date]=__PreviousDate),[Value])
RETURN
__Current - __Previous

In your case, you could do something like:

Column = SUMX(FILTER('Table',[Year]=EARLIER([Year]) && [Customer]<>EARLIER([Customer])),[ProductPurchased)

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