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Helper I

## Visual with Top N not working upon using one specific filter - shows same value for each

Hi,

I have a visual which shows the top 5 reasons of why customers churn.

The value of each reason's share is calculated like so

Share of Tickets by Reason = DIVIDE (DISTINCTCOUNT(table[ticket_id]),CALCULATE (DISTINCTCOUNT(table[ticket_id]), ALL((table[Reason]))))

The visual, without any filters set, normally looks as follows

Then, when I use a page filter (by slicer) for week selection

This is what happens

When I use a page filter that for example filters for months, it works all fine, it shows the visual as it should, showing for all the weeks within these months. Only with this week filter I get a flat line for each reason and they all have a share of 100%. (It only happens within this visual, any tables that show the same metric work perfectly fine.)

I am lost - any help is appreciated.

Best,
Janine

1 ACCEPTED SOLUTION
Helper I

HI @MFelix thanks for your answer, with a little help from your answer and some more PowerBI DAX researching (and blunt trying out) I managed to solve the issue by changing the DAX from

ALL((table[Reason])

to

ALLEXCEPT(no_appointment_reasons, no_appointment_reasons[reporting_week])

As I want to calculate the percentage over all the tickets from that week, as it is displayed on a weekly level in the visual.
2 REPLIES 2
Helper I

HI @MFelix thanks for your answer, with a little help from your answer and some more PowerBI DAX researching (and blunt trying out) I managed to solve the issue by changing the DAX from

ALL((table[Reason])

to

ALLEXCEPT(no_appointment_reasons, no_appointment_reasons[reporting_week])

As I want to calculate the percentage over all the tickets from that week, as it is displayed on a weekly level in the visual.
Super User

Hi @janinw ,

You are making the ranking using the ALL statement, further more you do it based on a column that is the column Reason that way the calculation will only be correct when you have all the values in your table select so when you start to make filters based on other columns the table/column/row context changes and your result always returns 1.

If the information is sensitive please share it trough private message.

Regards

Miguel Félix

Proud to be a Super User!

Check out my blog: Power BI em Português

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