Exclude a column from a filter

[Sniv]

Hello,

I would like to exclude a column from the DATEINPERIOD filter or make sure that this filter only concerns certain columns in a calculation using the CALCULATE function.

Durée moyenne par session cumulée au mois =

CALCULATE(SUM('Google analytics'[Number of sessions])/SUM('Google analytics'[Cumulative number of session each week])*SUM('Google analytics'[Average time per session]),

ALL('Google analytics'),

DATESINPERIOD(

'Google analytics'[Date],

FIRSTDATE('Google analytics'[Date]),

-1,

MONTH)

I want to exclude [Cumulative number of session each week] from the DATESINPERIOD FILTER or make the filter affect only [Number of sessions] and [Average time per session].

I put an example below.

Thank you in advance for your answers.

[SpartaBI · Accepted solution]

@Sniv In addition to your question, I saw how you used the data column inside the DATESINPERIOD function. This is not how you should do that. Either you have a dim dates you created or you use the autodate time table. 
For simplicity, let's say you use the autodate time, than your measure is:

DIVIDE(
	CALCULATE (
	    SUM ( 'Google analytics'[Number of sessions] )
	        * SUM ( 'Google analytics'[Average time per session] ),
	    DATESINPERIOD (
	        'Google analytics'[Date].[Date],
	        FIRSTDATE ( 'Google analytics'[Date] ),
	        -1,
	        MONTH
	    )
	),
	 SUM ( 'Google analytics'[Cumulative number of session each week] )
)

Pay attention to the version I used:
'Google analytics'[Date].[Date]

Also, you don't need the ALL argument as you play with filters on the date table anyway.

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[Sniv]

@SpartaBI Thanks for your answer, I understand now how to use it ! 7

It works perfectly !

[SpartaBI]

@Sniv my pleasure 🙂
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