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Hello,
I have searched delta values for previous days but found an answer yet.
I am looking to produce dynamic delta values for specific items in tanks. The desired column is in blue below (outlined in green):
The delta value reflects the difference between the current value and the previous day’s for the product in the specific tank. For example, ‘PeanutButter’ in ‘TK1’ increases by 200 from 100 to 300 (300-100 = 200). The ‘Delta from Previous Day’ column needs only to reflect the previous day’s value.
The ‘Data Connectivity Mode’ is ‘Import’ on connected databases.
Thank you for your help,
Chris
Solved! Go to Solution.
So... I can't see why there would be a ciruclar dependency error, but my expression isn't QUITE correct either, please update, and maybe do a "plz work, plz work, plz work" dance 🙂
VOLUME_DELTA =
VAR Yesterday = MyTable[StartTime] - 1
VAR MyMaterial = MyTable[Material Number]
VAR MyElement = MyTable[Element]
RETURN
MyTable[Volume] -
CALCULATE(VALUES(MyTable[Volume]),
FILTER(ALL(MyTable),
MyTable[StartTime] = Yesterday &&
MyTable[Material Number] = MyMaterial &&
MyTable[Element] = MyElement
)
)
Try this measure:
Delta Measure = SUM(MyTable[Volume]) - CALCULATE(SUM(MyTable[Volume]),DATEADD(MyTable[StartTime],-1,DAY))
Then just create a Table or Matriz Visualization and done!
Well, this makes sense to me... try it 🙂
VAR Yesterday = MyTable[StartTime] - 1
VAR MyMaterial = MyTable[Material Number]
VAR MyElement = MyTable[Element]
RETURN
VALUES(MyTable[Volume]) -
CALCULATE(VALUES(MyTable[Volume]),
FILTER(MyTable,
MyTable[StartTime] = Yesterday &&
MyTable[Material Number] = MyMaterial &&
MyTable[Element] = MyElement
)
)
There was a circular dependency error when I put 'VOLUME_DELTA = ' at the beginning of the formula you sent to me. Please let me know if there is a step that I am missing or something else that I need to do with my data to rememdy this challenge:
VOLUME_DELTA =
VAR Yesterday = MyTable[StartTime] - 1
VAR MyMaterial = MyTable[Material Number]
VAR MyElement = MyTable[Element]
RETURN
VALUES(MyTable[Volume]) -
CALCULATE(VALUES(MyTable[Volume]),
FILTER(MyTable,
MyTable[StartTime] = Yesterday &&
MyTable[Material Number] = MyMaterial &&
MyTable[Element] = MyElement
)
)
Thank you,
Chris
Man, I am just CURSED by circular references lately. Do you have OTHER calculated columns in the table? Do you need them? 🙂
Read here about the interaction between multiple calc columns:
https://www.sqlbi.com/articles/understanding-circular-dependencies/
The other calculated columns that were added have now been removed and the circular dependency is still registering as the error.
I appreciate your help.
Chris
So... I can't see why there would be a ciruclar dependency error, but my expression isn't QUITE correct either, please update, and maybe do a "plz work, plz work, plz work" dance 🙂
VOLUME_DELTA =
VAR Yesterday = MyTable[StartTime] - 1
VAR MyMaterial = MyTable[Material Number]
VAR MyElement = MyTable[Element]
RETURN
MyTable[Volume] -
CALCULATE(VALUES(MyTable[Volume]),
FILTER(ALL(MyTable),
MyTable[StartTime] = Yesterday &&
MyTable[Material Number] = MyMaterial &&
MyTable[Element] = MyElement
)
)
This newer version worked.
My dance came after.
Thanks for the help.
Chris
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