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## Calculated Columns

Hi there,

I am a little stuck in creating Calculated Columns which are column H and column I in screenshot below for any given VehicleID (Column A).

I currently have Columns A:G in my 'VMS VehicleEvent' data table.

Can someone kindly provide me the DAX formula I need to calculate:

1) Column H, which takes the Event Name (column E) of the Latest Vehicle Event ID (column G)

2) Column I, which take the LocalEventDate (column F) of the Latest Vehicle Event ID (column G)

Once I have column I, I can then calculate a measure Active Dwell Time (column J) which is column I minus column C.

Wes

1 ACCEPTED SOLUTION

Accepted Solutions
Super Contributor

## Re: Calculated Columns

You could try these two formulas as calculated columns. (The VehicleEventID should be unique)

```ColumnH =
CALCULATE (
VALUES ( Table1[Event Name] ),
FILTER (
ALL ( Table1 ),
'Table1'[VehicleEventID] = EARLIER ( 'Table1'[Latest Vehicle Event ID] )
)
)```
```ColumnI =
CALCULATE (
VALUES ( Table1[LocalEventDate] ),
FILTER (
ALL ( Table1 ),
Table1[VehicleEventID] = EARLIER ( Table1[Latest Vehicle Event ID] )
)
)```

Best Regards!

Dale

Community Support Team _ Dale
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
4 REPLIES 4
Super Contributor

## Re: Calculated Columns

@wes-shen-poal if you calculating it at a column level then you should just be able to do a date diff?  maybe i am not understanding why you need to find column i, are they not in the same row?

Proud a to be a Datanaut!
Member

## Re: Calculated Columns

Thanks for looking into this for me.

I need to find column I because once I can isolate the Latest Event Date from the other Event Dates within a column (i.e. column I) for each Vehicle ID, I will calculate the Dwell Time (which = Latest Event Date minus Vessel Depart Date) for each Vehicle ID. And then I can calculate the average Dwell Time of all Vehicle IDs.

Hope that makes sense.

Thanks,
Wes

Super Contributor

## Re: Calculated Columns

You could try these two formulas as calculated columns. (The VehicleEventID should be unique)

```ColumnH =
CALCULATE (
VALUES ( Table1[Event Name] ),
FILTER (
ALL ( Table1 ),
'Table1'[VehicleEventID] = EARLIER ( 'Table1'[Latest Vehicle Event ID] )
)
)```
```ColumnI =
CALCULATE (
VALUES ( Table1[LocalEventDate] ),
FILTER (
ALL ( Table1 ),
Table1[VehicleEventID] = EARLIER ( Table1[Latest Vehicle Event ID] )
)
)```

Best Regards!

Dale

Community Support Team _ Dale
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
Member

## Re: Calculated Columns

Thank you @v-jiascu-msft this is perfect!

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