Count by Date Measure

[Anonymous]

I created a date measure by pulling a date field based on a keyword search:

DOT Date = CALCULATE(MAX(LoanContractPostClosingConditionLogs[DateReceived]),SEARCH("Deed of Trust", LoanContractPostClosingConditionLogs[Description],1,0)>0)

So when I'm using this measure with the LoanNumber field, I'm getting something like this:

LoanNumber	DOT Date
001	7/9/2021
002	7/2/2021
003	7/2/2021
004	6/5/2021
005	6/5/2021
006	7/2/2021

If I want to take it a step further to count the number of loans for each DOT Date, so that it looks something like this:

DOT Date	Number of Loans
6/5/2021	2
7/2/2021	3
7/9/2021	1

How do I build a Number of Loans measure?  Is it possible to relate this DOT Date field to my Date table so that if I create a date slicer it'll reference the DOT Date?  Or I'd just have to build the slicer based on the DOT Date field itself?

[parry2k · Accepted solution]

@Anonymous try this measure, assuming you have a calendar table in your model, and to visualize, use date from calendar table and the following measure:

Loan Count by DOT Date = 
VAR __LoansInDate =
        FILTER (
            SUMMARIZE ( Data, Data[Loan] ),
            VAR __LoanDOTDate = [Loan DOT Date] 
            VAR __LoanDOTDateInDate = 
                FILTER (                     
                    'Calendar',
                    NOT ISBLANK ( __LoanDOTDate )  //can remove this condition if never going to be a blank Loan Max Date
                    && 'Calendar'[Date] = __LoanDOTDate
                )
            VAR __IsLoanInDate = NOT ISEMPTY ( __LoanDOTDateInDate )
            RETURN __IsLoanInDate
        )
VAR Result =
    CALCULATE (
        DISTINCTCOUNT ( Data[Loan] ),    
        KEEPFILTERS ( __LoansInDate )  
    )
RETURN Result

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[parry2k]

@Anonymous I assume Loan is a unique column in that table?

[Anonymous]

yes, it's unique 🙂

[Fowmy]

@Anonymous 

If you create a calculated column instead of a measure for "DOT Date" then it will be easy to summarize.

[Anonymous]

I can't create a calculated column because I'm working within a cube and I don't have admin rights 😞