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Anonymous
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## Fill a column based on last month date

Hello!

I need to create a calulated column "NEW COLUM", placing the last month values acording to the  "tipe" column,

and olny the last month f.e I had 2700000 kg of CPRS in January, i need the same value for fabruary

I will appreciate someone´s help

Thanks

1 ACCEPTED SOLUTION
Solution Sage

Try like this:

= CALCULATE(

SUM( 'Table'[kGS] ),

ALLEXCEPT( 'Table', 'Table'[Type] ),

'Table'[Month] = EARLIER( 'Table'[Month] ) - 1

)

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5 REPLIES 5
Super User

You'll need a date table to do this properly. Then the following measure will give you the previous month sales. The filter context of the table/matrix will keep it to just items of the same Type.

```=CALCULATE(
[Total Sales],
PREVIOUSMONTH('Calendar'[Date])
)```

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DAX is for Analysis. Power Query is for Data Modeling

Proud to be a Super User!

MCSA: BI Reporting
Solution Sage

Try like this:

= CALCULATE(

SUM( 'Table'[kGS] ),

ALLEXCEPT( 'Table', 'Table'[Type] ),

'Table'[Month] = EARLIER( 'Table'[Month] ) - 1

)

Did I answer your question correctly? Mark my answer as a solution!

Proud to be a Datanaut!

Super User

Can someone explain how the post marked as a solution works? My understanding of EARLIER is it has nothing to do with dates, but with contexts within a measure.

When I tried the measure marked as a solution, I get the following error, which is similar to what I expected.

Calculation error in measure 'SalesData'[measure 1]: EARLIER/EARLIEST refers to an earlier row context which doesn't exist.

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Did my answers help arrive at a solution? Give it a kudos by clicking the Thumbs Up!

DAX is for Analysis. Power Query is for Data Modeling

Proud to be a Super User!

MCSA: BI Reporting
Solution Sage

@edhans

you're probably using it in a measure which has no row context instead of a calculated column as the OP requested:

"

Hello!

I need to create a calulated column "NEW COLUM", placing the last month values acording to the  "tipe" column,

and olny the last month f.e I had 2700000 kg of CPRS in January, i need the same value for fabruary"

Did I answer your question correctly? Mark my answer as a solution!

Proud to be a Datanaut!

Super User

Ahhh... thanks. I never create calculated columns unless I need it in a measure, and even then, I tend to push it back to Power Query, so my bias there missed that part of the question. 🙂

Did I answer your question? Mark my post as a solution!
Did my answers help arrive at a solution? Give it a kudos by clicking the Thumbs Up!

DAX is for Analysis. Power Query is for Data Modeling

Proud to be a Super User!

MCSA: BI Reporting