Forum Discussion
Run Hours difference between last entry date varied
G'day, I have a feed of csv data that has running hours for multiple Assets & Components per Asset in same columns. We need to trend hours per period over time for each component individually...
Greg_Deckler
Community Champion
Community ChampionTillerTechnical 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/339586.
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