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Helper I

## Average X

Hello

I'm trying to do a control chart by using the lines graphic.

For that I need to add on the graphic a constant line that will be the average of all my results from the column Result of my tab.

So I have done this measure :

AVERAGE RESULT = CALCULATE(AVERAGEX('Quality control results','Quality control results'[Result]),ALLSELECTED('Quality control'[Result]))

But it doesn't work, as I don't have a constant line : it's doign the same graphic as if I had only put the column "Result" in the value of the graphic in fact .

1 ACCEPTED SOLUTION
Super User

HI @matdel ,

In that case you can modify your average caluclation DAX as follows:

AVERAGE RESULT = CALCULATE(AVERAGE('Quality control results'[Result]), ALL('Quality control'))

You don't have to use AVERAGEX to achieve this. Because it evaluates an expression for each row. You need a single average value for your RESULT column therefore you need to use AVERAGE.

Thanks,

Pragati

Best Regards,

Pragati Jain

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Proud to be a Super User!!

4 REPLIES 4
Super User

HI @matdel ,

You can simply add a average line using the Analytics Pane feature on a Line chart visual. You don't need a calculation for it. See an example below:

Thanks,

Pragati

Best Regards,

Pragati Jain

Did I answer your question? Mark my post as a solution! This will help others on the forum!

Proud to be a Super User!!

Helper I

Yes, thanks, but actually after I need also to calculate UCL and LCL from the average, to put them on the graphic also

STDEV RESULT = CALCULATE(STDEV.P('Quality control results'[Result]),ALLSELECTED('Quality control results'[Result]))
UCL RESULT = [AVERAGE RESULT]+3*[STDEV RESULT]
LCL RESULT = [AVERAGE RESULT]-3*[STDEV RESULT]

Super User

HI @matdel ,

In that case you can modify your average caluclation DAX as follows:

AVERAGE RESULT = CALCULATE(AVERAGE('Quality control results'[Result]), ALL('Quality control'))

You don't have to use AVERAGEX to achieve this. Because it evaluates an expression for each row. You need a single average value for your RESULT column therefore you need to use AVERAGE.

Thanks,

Pragati

Best Regards,

Pragati Jain

Did I answer your question? Mark my post as a solution! This will help others on the forum!

Proud to be a Super User!!

Helper I

Thank you!! it works 🙂

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