DAX Help: Find last 5 nonblank values in a column

[ranbeermakin]

Hi All,

I require help in getting AVG of the last 5 nonblank values from column B. My table is setup like this:

So, pickup values 3788, 3522, 3604, 2326, 3058 and then avg it.

Can someone help?

Thanks.

[OwenAuger · Accepted solution]

@ranbeermakin 

I would suggest this measure - a slight modification of the above reply that ensures the top 5 dates are taken from those where B is not blank:

Average of B Over Last 5 Nonblank Dates = 
VAR Last5Dates =
    CALCULATETABLE ( 
        TOPN ( 5, VALUES ( YourTable[Date] ), YourTable[Date]  ),
        NOT ISBLANK ( YourTable[B] )
    )
RETURN
    CALCULATE ( AVERAGE ( YourTable[B] ), Last5Dates )

Regards,

Owen

[Anonymous]

Hey Ranbeer,

CALCULATE(AVERAGE(Table1[ColumnB]), // Col b is nmberic that we want avg for

TOPN(

5,

Table1,

Table1[Date])

)

[Anonymous]

Hello!

The CALCULATE expression allows you to compute values based on certain filters, more info here.

So you would say

CALCULATE(AVERAGE(Column Name),Column Name<>BLANK())

And then in order to select the last 5 measures, you can select the column name in the filters selection > Select ‘Top N’ in the drop-down > switch it to Bottom > enter 5.

Or if you have ranked the column by date, and on the filter, select whichever ones you want by adding another filter to the CALCULATE measure:

CALCULATE(AVERAGE(‘Column Name’),’Column Name’<>BLANK(),’Date’ > (Specific Date))