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brunoh
Frequent Visitor

latest date before the date of each row

I have a table for a production line, where each row is an individual product. One column contains the date and time where production started.

I want to calculate the time elapsed between this date, and the start of production of the last product made before (cycle time).

 

In other words, in a list of dates I want to identify the latest date before the date of each row. 

In Access I can do that by duplicating the table_1 to table_2, and looking for the maximum date in table_2 which is smaller than the current date in table_1.

In Power BI query I cannot figure out how to make this simple operation.

 

Any help will be greatly appreciated !

Regards

2 ACCEPTED SOLUTIONS
Ashish_Mathur
Super User
Super User

Hi,

 

Try this calculated column

 

=CALCULATE(MAX(Data[Date_Time]),FILTER(Data,Data[Date_Time]<EARLIER(Data[Date_Time])))

 

Hope this helps.


Regards,
Ashish Mathur
http://www.ashishmathur.com
https://www.linkedin.com/in/excelenthusiasts/

View solution in original post

Hi,

 

My formula has to be written as a calculated column - not as a measure.


Regards,
Ashish Mathur
http://www.ashishmathur.com
https://www.linkedin.com/in/excelenthusiasts/

View solution in original post

8 REPLIES 8
Ashish_Mathur
Super User
Super User

Hi,

 

Try this calculated column

 

=CALCULATE(MAX(Data[Date_Time]),FILTER(Data,Data[Date_Time]<EARLIER(Data[Date_Time])))

 

Hope this helps.


Regards,
Ashish Mathur
http://www.ashishmathur.com
https://www.linkedin.com/in/excelenthusiasts/

Hi,

 

I've tried this solution but there goes an error (circular reference)

 

Could you please help?

Hi,

 

My formula has to be written as a calculated column - not as a measure.


Regards,
Ashish Mathur
http://www.ashishmathur.com
https://www.linkedin.com/in/excelenthusiasts/

yes, in this way I tried back in March, and it worked !

thank you again

You are welcome.


Regards,
Ashish Mathur
http://www.ashishmathur.com
https://www.linkedin.com/in/excelenthusiasts/

Hi, I tried this solution and but it's not working ( a circular reference)

 

Could you help please?

Seems good at 1st test. Thanks !

You are welcome.


Regards,
Ashish Mathur
http://www.ashishmathur.com
https://www.linkedin.com/in/excelenthusiasts/

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