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Mous007
Helper IV
Helper IV

Duration in days (working days only) to complete a task and date table

‎05-12-2020 07:32 AM

Hi everyone, 

 

I have the following code used for my date table"

 

Date table =
VAR MinYear = YEAR ( MIN ( 'Summary Extract from History Table'[CREATION_DATE]))
VAR MaxYear = YEAR ( MAX ( 'Summary Extract from History Table'[LAST_UPDATE_DATE]) )
RETURN
ADDCOLUMNS (
FILTER (
CALENDARAUTO( ),
AND ( YEAR ( [Date] ) >= MinYear, YEAR ( [Date] ) <= MaxYear )
),
"Calendar Year", YEAR ( [Date] ),
"Month Name", FORMAT ( [Date], "MMMM" ),
"Month Number", MONTH ( [Date] ),
"Weekday", FORMAT ( [Date], "ddd" ),
"Weekday number", WEEKDAY( [Date] ),
"Period", FORMAT( [Date], "MMM-YYYY" ),
"Sorting column", FORMAT( [Date], "YYYYMM" ),
"Week number" , WEEKNUM([Date],2),
"Week", "W" & FORMAT( [Date], "WW-MMM-YY" ),
"Quarter", "Q" & TRUNC ( ( MONTH ( [Date] ) - 1 ) / 3 ) + 1)
 
And my data extract looks like the following:
 
TASK IDCREATION_DATELAST_UPDATE_DATE
1049318/DEC/192020-01-10 14:15:34
1049318/DEC/192020-01-13 15:16:05
1049318/DEC/192020-01-14 17:48:09
1049318/DEC/192020-01-14 17:58:17
1049318/DEC/192020-01-14 17:58:21
1049418/DEC/192020-01-09 16:49:13
1051019/DEC/192019-12-19 10:17:33
1051019/DEC/192019-12-19 14:45:12
1051019/DEC/192019-12-24 10:12:56
1051019/DEC/192019-12-24 12:38:07
1051019/DEC/192019-12-30 09:57:31
1051019/DEC/192020-01-07 10:10:37
1051019/DEC/192020-01-07 13:51:37
1051019/DEC/192020-01-07 13:56:21
1051019/DEC/192020-01-07 13:56:24
1051119/DEC/192019-12-19 10:17:24
1051119/DEC/192019-12-23 19:30:12
1051119/DEC/192019-12-24 10:10:00
1051119/DEC/192019-12-24 12:36:49
1051119/DEC/192019-12-30 09:54:15
1051119/DEC/192020-01-07 10:12:46
1051119/DEC/192020-01-07 13:54:51
1051119/DEC/192020-01-07 13:56:21
1051119/DEC/192020-01-07 13:56:24
1051219/DEC/192019-12-19 10:17:11
1051219/DEC/192019-12-23 11:17:15
1051219/DEC/192019-12-23 11:43:06
1051219/DEC/192019-12-23 11:43:09
1052320/DEC/192019-12-24 12:38:43
1052320/DEC/192019-12-30 09:47:56
1052320/DEC/192020-01-07 10:15:36
1052320/DEC/192020-01-07 11:43:28
1052320/DEC/192020-01-07 11:49:11
1052320/DEC/192020-01-07 14:03:57
1052320/DEC/192020-01-07 14:26:28
1052320/DEC/192020-01-07 14:26:35
1052420/DEC/192019-12-24 12:34:57
1052420/DEC/192019-12-27 16:22:18
1052420/DEC/192019-12-27 16:43:07
1052420/DEC/192019-12-27 16:43:09
1052620/DEC/192019-12-20 16:46:10
1052620/DEC/192019-12-24 12:40:12
1052620/DEC/192019-12-27 16:25:34
1052620/DEC/192019-12-27 16:43:07
1052620/DEC/192019-12-27 16:43:10
1052620/DEC/192020-01-07 17:35:21
1052620/DEC/192020-01-08 10:25:02
1052620/DEC/192020-01-08 17:20:40
1052620/DEC/192020-01-09 09:35:58
1052620/DEC/192020-01-09 10:46:11
1052620/DEC/192020-01-09 10:52:30
1052620/DEC/192020-01-09 10:52:32
1052720/DEC/192019-12-24 12:39:08
1052720/DEC/192019-12-27 16:27:49
1052720/DEC/192019-12-27 16:43:07
1052720/DEC/192019-12-27 16:43:10
1052823/DEC/192019-12-23 17:09:39
1052924/DEC/192019-12-24 12:39:30
1052924/DEC/192019-12-27 16:32:02
1052924/DEC/192019-12-27 16:43:07
1052924/DEC/192019-12-27 16:43:10
1053027/DEC/192019-12-27 12:11:58
1053227/DEC/192020-01-07 10:19:23
1053227/DEC/192020-01-07 14:32:27
1053227/DEC/192020-01-07 16:20:30
1053227/DEC/192020-01-08 17:42:16
1053227/DEC/192020-01-08 17:46:58
1053227/DEC/192020-01-08 17:47:01
1053430/DEC/192020-01-07 10:13:44
1053430/DEC/192020-01-07 14:13:28
1053430/DEC/192020-01-07 14:26:29
1053430/DEC/192020-01-07 14:26:36
1053530/DEC/192020-01-07 10:13:24
1053530/DEC/192020-01-07 14:18:00
1053530/DEC/192020-01-07 14:26:29
1053530/DEC/192020-01-07 14:26:35
1053630/DEC/192020-01-07 10:13:06
1053630/DEC/192020-01-07 14:22:13
1053630/DEC/192020-01-07 14:26:29
1053630/DEC/192020-01-07 14:26:36
 
I have also formated the dates column in the same format and removed the time stamp also.
 
I have several questions with regards to the date table:
 
1) is my syntax for the variable correct; 
VAR MinYear = YEAR ( MIN ( 'Summary Extract from History Table'[CREATION_DATE]))
VAR MaxYear = YEAR ( MAX ( 'Summary Extract from History Table'[LAST_UPDATE_DATE]) )
In other words, can i used two different date column to build my date table ? or should i use the min and max from the same column ? for e.g Creation date column ?
 
 
2) I have an issue with the date table as i cant get the weekdays to start on Monday ( monday equal to one) as you can see on the screen shot below. Does this affect my calcuation as i am trying to calculate the average duration time it takes to complete a task from Creation date to Last update date?
 
Capture.JPG

 

3) Last, i am trying to calculate the the average duration time in days excluding weekends it takes a task to complete ( start date = creation date & end date = Last update Date). i have no idea how to set upmy date table/model to help me achieve this calculation and i would like ur input about the different ways i can handle this with.
 
 
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Message 1 of 8
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v-gizhi-msft
Community Support
Community Support

‎05-12-2020 07:46 PM

Hi,

 

For your issue 1and 2, please try this calculated table:

Date table = 
ADDCOLUMNS (
CALENDARAUTO( ),
"Calendar Year", YEAR ( [Date] ),
"Month Name", FORMAT ( [Date], "MMMM" ),
"Month Number", MONTH ( [Date] ),
"Weekday", FORMAT ( [Date], "ddd" ),
"Weekday number", IF(WEEKDAY( [Date] )=1,7,WEEKDAY([Date])-1),
"Period", FORMAT( [Date], "MMM-YYYY" ),
"Sorting column", FORMAT( [Date], "YYYYMM" ),
"Week number" , WEEKNUM([Date],2),
"Week", "W" & FORMAT( [Date], "WW-MMM-YY" ),
"Quarter", "Q" & TRUNC ( ( MONTH ( [Date] ) - 1 ) / 3 ) + 1)

The result shows:

5.PNG

And i am confused about your requirement for issue 3, could you please share the expected result as as a screenshot?

This will let me help you further.

Expect your reply!

 

Best Regards,

Giotto

Message 5 of 8
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Mous007
Helper IV
Helper IV
In response to v-gizhi-msft

‎05-13-2020 03:22 AM

Hi @v-gizhi-msft , thank you for you reponse. My date table looks correct now.

 

For the remaining question, I simply want to compute the duration in days (working days only) for a task to be completed. meaning calcuate the duration between CREATION DATE & LAST UPDATE DATE on the table above. My issue is to get the calculation correctly with working days only (excluding weekends) so i can later on compute the average processing time for all requests by specific period.

 

For example, the calculation for the first three requests on the table should be almost similar to the following:

 

Ticket IDCreation DateLast update dateDuration (Including weekends)Duration (excluding weekends)
1049318/DEC/192020-01-10 14:15:342418
1049318/DEC/192020-01-13 15:16:052719
1049318/DEC/192020-01-14 17:48:092820

 

I am more interested in calculating the last column: Duration without weekends.

 

Please advise on how i should proceed in this case ?

 

Thanks in advance

Message 6 of 8
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v-gizhi-msft
Community Support
Community Support
In response to Mous007

‎05-13-2020 06:40 PM

Hi,

 

Please try these two measures:

Duration (Including weekends) = 
DATEDIFF (
    MAX ( 'Summary Extract from History Table'[CREATION_DATE] ),
    MAX ( 'Summary Extract from History Table'[LAST_UPDATE_DATE] ),
    SECOND
) / ( 3600 * 24 )
Duration (Excluding weekends) = 
[Duration (Including weekends)]
    - CALCULATE (
        COUNT ( 'Date table'[Date] ),
        FILTER (
            'Date table',
            'Date table'[Weekday number] in {6,7}
                && 'Date table'[Date]
                    >= MAX ( 'Summary Extract from History Table'[CREATION_DATE] )
                && 'Date table'[Date]
                    <= MAX ( 'Summary Extract from History Table'[LAST_UPDATE_DATE] )
        )
    )

The result shows:

10.PNG

See my attached pbix file.

 

Best Regards,

Giotto

Case-Duration in days (working days only) to complete a task and date table.pbix
Message 7 of 8
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Mous007
Helper IV
Helper IV
In response to v-gizhi-msft

‎05-14-2020 02:57 AM

Works like magic @v-gizhi-msft !

 

Thank you very much for your help. I will def be using ur approach more often.

Message 8 of 8
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amitchandak
Super User
Super User

‎05-12-2020 07:41 AM

@Mous007 , In this file, check how I calculated working days

https://www.dropbox.com/s/y47ah38sr157l7t/Order_delivery_date_diff.pbix?dl=0

 

You might have to change the working day calculation

like

if(WEEKDAY('Date'[Date],2)>6,0,1)



Message 2 of 8
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Mous007
Helper IV
Helper IV
In response to amitchandak

‎05-12-2020 07:52 AM

Hi @amitchandak , unfortunately i cannot download files on this computer and only have an older version of power bi.

 

Would you mind copying the dax directly in here please ?

 

Thanks in advance

Message 3 of 8
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amitchandak
Super User
Super User
In response to Mous007

‎05-12-2020 09:09 AM

@Mous007 ,

This is for working days

Working Days = CALCULATE(Sum('Date'[Working day]),VALUES('Order Dim'[Order No]),filter(all('Date'),'Date'[Date]>=[Min Order Date OD] && 'Date'[Date] <=[Max Deilvery OD]))

 

Rest is given here

https://community.powerbi.com/t5/Community-Blog/Decoding-Direct-Query-in-Power-BI-Part-2-Date-Differ...



Message 4 of 8
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