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vincenardo
Helper I
Helper I

Calculate Differance Between two dates, grouping by another field in data set.

In this dataset, I have rows of data that share the same 'PhaseID'. I want to calculate the differance (in days) between the first 'ScheduledStartDate' and the last 'ScheduledCompleteDate' for each row that shares the same 'PhaseID'.

 

For Example, for PhaseID 89578 the first ScheduledStartDate = 10/22/21 and the last ScheduledCompleteDate = 11/8/2021 so the differance would be 18 days. I also want to exclude weekends in the calculation.

 

Help is appreciated!

 

vincenardo_0-1634652956179.png

 

1 ACCEPTED SOLUTION
v-xiaotang
Community Support
Community Support

Hi @vincenardo 

You can try this measure to get diff between ScheduledStartDate & ScheduledCompleteDate.

diff = 
    var _min=CALCULATE(MIN('Table'[ScheduledStartDate]),ALLEXCEPT('Table','Table'[PhaseID]))
    var _max=CALCULATE(MAX('Table'[ScheduledCompleteDate]),ALLEXCEPT('Table','Table'[PhaseID]))
return 
    DATEDIFF(_min,_max,DAY)+1

and if you want to exclude weekends in the calculation, then add a calendar table, and use the measure bellow

diff = 
    var _min=CALCULATE(MIN('Table'[ScheduledStartDate]),ALLEXCEPT('Table','Table'[PhaseID]))
    var _max=CALCULATE(MAX('Table'[ScheduledCompleteDate]),ALLEXCEPT('Table','Table'[PhaseID]))
return 
    CALCULATE(COUNTROWS('Calendar'),DATESBETWEEN('Calendar'[Date],_min,_max),'Calendar'[Isweekday]<>7&&'Calendar'[Isweekday]<>1)

 result

vxiaotang_0-1634897882753.png

 

 

 

Best Regards,

Community Support Team _Tang

If this post helps, please consider Accept it as the solution to help the other members find it more quickly.

View solution in original post

3 REPLIES 3
v-xiaotang
Community Support
Community Support

Hi @vincenardo 

You can try this measure to get diff between ScheduledStartDate & ScheduledCompleteDate.

diff = 
    var _min=CALCULATE(MIN('Table'[ScheduledStartDate]),ALLEXCEPT('Table','Table'[PhaseID]))
    var _max=CALCULATE(MAX('Table'[ScheduledCompleteDate]),ALLEXCEPT('Table','Table'[PhaseID]))
return 
    DATEDIFF(_min,_max,DAY)+1

and if you want to exclude weekends in the calculation, then add a calendar table, and use the measure bellow

diff = 
    var _min=CALCULATE(MIN('Table'[ScheduledStartDate]),ALLEXCEPT('Table','Table'[PhaseID]))
    var _max=CALCULATE(MAX('Table'[ScheduledCompleteDate]),ALLEXCEPT('Table','Table'[PhaseID]))
return 
    CALCULATE(COUNTROWS('Calendar'),DATESBETWEEN('Calendar'[Date],_min,_max),'Calendar'[Isweekday]<>7&&'Calendar'[Isweekday]<>1)

 result

vxiaotang_0-1634897882753.png

 

 

 

Best Regards,

Community Support Team _Tang

If this post helps, please consider Accept it as the solution to help the other members find it more quickly.

amitchandak
Super User
Super User

@vincenardo , You can create a new column like

 

Work Day = COUNTROWS(FILTER(ADDCOLUMNS(CALENDAR(Table[ShceduleStartDate],Table[ShceduleCompleted Date]),"WorkDay", if(WEEKDAY([Date],2) <6,1,0)),[WorkDay] =1))

 

Business Days/ Workdays, with or without date table: https://youtu.be/Qv4wT8_P-AA

Thanks. I have an error becuase I also have records with blank dates in the date fields. What conditional statement could  I add?

 

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