FIRSTNONBLANK, LASTNONBLANK, FIRSTNONBLANKVALUE, LASTNONBLANKVALUE - DAX Guide

FIRSTNONBLANK: Returns the first value in the column for which the expression has a non blank value.
https://dax.guide/firstnonblank/

LASTNONBLANK: Returns the last value in the column for which the expression has a non blank value.
https://dax.guide/lastnonblank/

FIRSTNONBLANKVALUE: Returns the first non blank value of the expression that evaluated for the column.
https://dax.guide/firstnonblankvalue/

LASTNONBLANKVALUE: Returns the last non blank value of the expression that evaluated for the column.
https://dax.guide/lastnonblankvalue/

This video is part of DAX Guide, the online guide to all the DAX functions, with links to related content and compatibility matrix with all the versions of Power BI, Azure Analysis Services (AAS), SQL Server Analysis Services (SSAS), SQL Server Data Tools (SSDT), and Power Pivot for Excel.

How to learn DAX: https://www.sqlbi.com/guides/dax/?aff=yt
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