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## Need Help in building dax formula

Hello Fellas,

Could you please help me in building Dax formula for identifiying No of meetings conducted with full attendance in my data set.

I am blank here as to how can i do this... My data set has only 3 columns first being the Meeting ID and Employee ID and Attendance.

If all the employees attendance is Y for a set meeting ID then my count is 1 like wise i need to do this for the huge set of rows

Regards,

Pavan S

1 ACCEPTED SOLUTION
Employee

Hi @PavanSateesh,

Based on my understanding, please create a calculated column using the formula.

```Flag =
IF (
CALCULATE ( COUNT ( Table[MeetingID] ), ALLEXCEPT ( Table, Table[MeetingID] ) )
= CALCULATE (
COUNT ( Table[MeetingID] ),
FILTER ( ALLEXCEPT ( Table, Table[MeetingID] ), Table[Attendance] = "Y" )
),
1,
0
)```

If the Flag is 1, it means the Meeting is full attendance. So you can create a slicer including Flag, a table visual including all Meeting IDs, when you select 1 in slicer, you will get all the No of Meetings with full attendance.

Best Regards,
Angelia

2 REPLIES 2
Employee

Hi @PavanSateesh,

Based on my understanding, please create a calculated column using the formula.

```Flag =
IF (
CALCULATE ( COUNT ( Table[MeetingID] ), ALLEXCEPT ( Table, Table[MeetingID] ) )
= CALCULATE (
COUNT ( Table[MeetingID] ),
FILTER ( ALLEXCEPT ( Table, Table[MeetingID] ), Table[Attendance] = "Y" )
),
1,
0
)```

If the Flag is 1, it means the Meeting is full attendance. So you can create a slicer including Flag, a table visual including all Meeting IDs, when you select 1 in slicer, you will get all the No of Meetings with full attendance.

Best Regards,
Angelia

There are many ways.  Assuming you load this table into the datamodel and call it Data, you could write this

```=
SUMX (
VALUES ( Data[Meeting] ),
CALCULATE (
IF (
CALCULATE ( COUNTROWS ( Data), Data[Attendance] = "Y" )
= COUNTROWS ( Data),
1,
0
)
)
)```

* Matt is an 8 times Microsoft MVP (Power BI) and author of the Power BI Book Supercharge Power BI.

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