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## Using a Slicer to filter by operation result between to specific dates

Hi ! We are trying to solve a problem with power bi but we are kinda blocked. Do you know how we can solve the following example being it using Dax, or with another method.

We have a set of identifiers with one value per day and we want to calculate dynamically, by selecting two dates as filter, a mathematical operation between the value for both dates for each of the components.

Example

Component 1  -  date 1 - value 1

Component 2  -  date 1 - value 2

Component 3  -  date 1 - value 3

Component 1  -  date 2 - value 4

Component 2  -  date 2 - value 5

Component 3  -  date 2 - value 6

Component 1  -  date 3 - value 7

Component 2  -  date 3 - value 8

Component 3  -  date 3 - value 9

Component 1  -  date 4 - value 10

Component 2  -  date 4 - value 11

Component 3  -  date 4 - value 12

We select as filters date 2 and date 4 getting

Component id  - date a - date b - value date a - value date b - operation

Component 1  -  date 2 - date 4 - value 4         - value 10       - (value 4 + value 10)

Component 2  -  date 2 - date 4 - value 5         - value 11       - (value 5 + value 11)

Component 3  -  date 2 - date 4 - value 6         - value 12       - (value 6 + value 12)

We need to do this as we need to filter the dashboard for the components where the operation results meet certain criteria between the specific dates.

2 REPLIES 2
Resolver II

I created some data:

Here are the steps you can follow：

1. Create measure.

``````Measure =
var _mindate=
MINX(ALLSELECTED('Table'),[Date])
var _maxdate=
MAXX(ALLSELECTED('Table'),[Date])
return
SUMX(FILTER(ALL('Table'),
'Table'[Date]=_mindate&&'Table'[Component]=MAX('Table'[Component])),[value])
+
SUMX(FILTER(ALL('Table'),
'Table'[Date]=_maxdate&&'Table'[Component]=MAX('Table'[Component])),[value])``````

2. Result:

Best Regards,

Liu Yang

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

Solution Sage

``````Operation =
var DateASelected = SELECTEDVALUE('Dates A'[Date A] )
var DateBSelected = SELECTEDVALUE('Dates B'[Date B] )
var ShouldCalculate = DateASelected <> DateBSelected
var Result =
if( ShouldCalculate,
sumx(
distinct( Components[Component] ),
var DateAValue =
CALCULATE(
SELECTEDVALUE( Components[Value] ),
Components[Date] = DateASelected
)
var DateBValue =
CALCULATE
SELECTEDVALUE( Components[Value] ),
Components[Date] = DateBSelected
)
var ShouldCalculate =
not ( isblank( DateAValue ) || ISBLANK( DateBValue ) )
var Output =
if( ShouldCalculate, DateBValue + DateAValue )
return
Output
)
)
return
Result``````

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