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## Calculate Enrollment For Each Date - DAX Measure

Hello,

I am new to PowerBI and need some help.

I am looking to calculate and graph the number of club members on each date of the year.

The data is structured like this:

 memberid entrydate withdrawaldate 1 08/01/2020 09/07/2020 2 09/19/2020 10/01/2020 3 08/17/2020 NULL 4 08/05/2020 10/15/2020 5 10/01/2020 NULL 6 09/07/2020 10/22/2020 7 08/30/2020 10/07/2020 8 09/01/2020 10/25/2020 9 09/15/2020 NULL

I want to dynamically calculate the enrollment/membership counts for each day of the year. So for each day of a year, I want to count the members whose entry date is on or before that date AND whose withdrawal date is either after that date, or who have not withdrawn/have a null value in the withdrawaldate column. As the year progresses, new data and dates will need to be added to the graphs. This is what I have so far, but I am getting stuck on the filter portion.

CALCULATE(
DISTINCTCOUNT('Enrollment'[memberid]),
FILTER(

)
)

1 ACCEPTED SOLUTION
Community Support

I suggest you create a calendar table:

``Date = CALENDAR(DATE(2020,1,1),DATE(2020,12,31))``

Then use the following measure to calculate the enrollment/membership counts for each day of the year.

``enrollment/membership counts = CALCULATE(COUNT('Table'[memberid]),FILTER(ALL('Table'),'Table'[entrydate]<=MAX('Date'[Date])&&IF(ISBLANK('Table'[withdrawaldate]),1,'Table'[withdrawaldate]>=MAX('Date'[Date]))))``

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

Best Regards,

Dedmon Dai

4 REPLIES 4
Community Support

I suggest you create a calendar table:

``Date = CALENDAR(DATE(2020,1,1),DATE(2020,12,31))``

Then use the following measure to calculate the enrollment/membership counts for each day of the year.

``enrollment/membership counts = CALCULATE(COUNT('Table'[memberid]),FILTER(ALL('Table'),'Table'[entrydate]<=MAX('Date'[Date])&&IF(ISBLANK('Table'[withdrawaldate]),1,'Table'[withdrawaldate]>=MAX('Date'[Date]))))``

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

Best Regards,

Dedmon Dai

Super User

Hi,

Can you please give this a try and let me know if you like this.

Thanks.

Proud to be a Super User!

New Animated Dashboard: Sales Calendar

Super User

The one I am uplaoding now has rows with null values and work as per your specs.

Proud to be a Super User!

New Animated Dashboard: Sales Calendar

Super User
``````DateSlicerCounts = CALCULATE(
DISTINCTCOUNT(Table1EntryTable[MemberID]),
FILTER(Table1EntryTable,
Table1EntryTable[EntryDate] <= CALCULATE( MAX( DateTable[Date]))
&&
IF(ISBLANK([WithDrawalDate]),TODAY(),[WithDrawalDate]) >= CALCULATE( MIN(DateTable[Date]))
))``````

My date table

``DateTable = CALENDAR("01/01/2019","31/12/2020")``

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