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Hello,
I would like to create a New column that will allow me to have the time of the previous validator.
here is the result I would like to have.
in my table there are between 5 and 4 validators (column with number 2) by Excel file (column with number 1).
What I want is that in the line of the validator 2, I can have the time (column with number 3) and the date of validation of the validator 1 of the same excel file).
I don't know if it's ideal to do it in M or in DAX ?
for your information:
I hope that my request has been well explained and that you could help me please
thanks
Solved! Go to Solution.
@EDO_01_1789 Basically MTBF. See my article on Mean Time Between Failure (MTBF) which uses EARLIER: http://community.powerbi.com/t5/Community-Blog/Mean-Time-Between-Failure-MTBF-and-Power-BI/ba-p/3395....
The basic pattern is:
Column =
VAR __Current = [Value]
VAR __PreviousDate = MAXX(FILTER('Table','Table'[Date] < EARLIER('Table'[Date])),[Date])
VAR __Previous = MAXX(FILTER('Table',[Date]=__PreviousDate),[Value])
RETURN
__Current - __Previous
hello @Greg_Deckler
thanks for your quick feedback.
I read your article, but I think that unless I'm mistaken it doesn't apply in my dataset.
If I'm not mistaken in your article you have two different columns for the dates, while in my case I have only one.
what I try to do is only to transcribe the time of validation of the previous step :
I feel embarrassed, sorry for the bother.
but what do you want me to add in this part of your formula.
I have only one column that contains dates in my data table, called "Validator Date". I think you have already integrated it in the first variable of your formula (Var_date)
Can you help me?
moreover when i try to change this part by my famous column, i have this error message and i don't know why (is it missing a parenthesis or a comma somewhere)?
thanks for your help.
Hi @EDO_01_1789 ,
Based on your description, I have created a simple sample:
Please try:
previous date =
VAR _num =
VALUE ( MID ( [Attribute], 11, FIND ( " :", [Attribute] ) - 11 ) )
VAR _attribute = "Validator " & _num - 1 & " : comments"
RETURN
MAXX (
FILTER (
'Table',
[FileLeafRef] = EARLIER ( 'Table'[FileLeafRef] )
&& [Attribute] = _attribute
),
[Validator Date]
)
Final output:
Best Regards,
Jianbo Li
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
Hi @EDO_01_1789 ,
Based on your description, I have created a simple sample:
Please try:
previous date =
VAR _num =
VALUE ( MID ( [Attribute], 11, FIND ( " :", [Attribute] ) - 11 ) )
VAR _attribute = "Validator " & _num - 1 & " : comments"
RETURN
MAXX (
FILTER (
'Table',
[FileLeafRef] = EARLIER ( 'Table'[FileLeafRef] )
&& [Attribute] = _attribute
),
[Validator Date]
)
Final output:
Best Regards,
Jianbo Li
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
@EDO_01_1789 Basically MTBF. See my article on Mean Time Between Failure (MTBF) which uses EARLIER: http://community.powerbi.com/t5/Community-Blog/Mean-Time-Between-Failure-MTBF-and-Power-BI/ba-p/3395....
The basic pattern is:
Column =
VAR __Current = [Value]
VAR __PreviousDate = MAXX(FILTER('Table','Table'[Date] < EARLIER('Table'[Date])),[Date])
VAR __Previous = MAXX(FILTER('Table',[Date]=__PreviousDate),[Value])
RETURN
__Current - __Previous
hello @Greg_Deckler
thanks for your quick feedback.
I read your article, but I think that unless I'm mistaken it doesn't apply in my dataset.
If I'm not mistaken in your article you have two different columns for the dates, while in my case I have only one.
what I try to do is only to transcribe the time of validation of the previous step :
@EDO_01_1789 Well, you would just stop at getting the __PreviousDate. All comes down to the filters you use, so something like:
Column =
VAR __Date = [Validator Date]
VAR __FileLeafRef = [FileLeafRef]
VAR __PreviousDate =
SWITCH('Table'[Attribute],
"Validator 2 Comments",MAXX(FILTER('Table',[Date]<__Date && [Attribute] = "Validator 1 comments" && [File Leaf Ref] = __FileLeafRef,
"Validator 3 Comments",MAXX(FILTER('Table',[Date]<__Date && [Attribute] = "Validator 2 comments" && [File Leaf Ref] = __FileLeafRef,
"Validator 4 Comments",MAXX(FILTER('Table',[Date]<__Date && [Attribute] = "Validator 3 comments" && [File Leaf Ref] = __FileLeafRef,
BLANK()
)
RETURN
__PreviousDate
I feel embarrassed, sorry for the bother.
but what do you want me to add in this part of your formula.
I have only one column that contains dates in my data table, called "Validator Date". I think you have already integrated it in the first variable of your formula (Var_date)
Can you help me?
moreover when i try to change this part by my famous column, i have this error message and i don't know why (is it missing a parenthesis or a comma somewhere)?
thanks for your help.
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