DAX Fridays! #163: Best practices when using error functions in DAX
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DAX Language - ERROR functions in Power BI
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FACT - DAX Guide
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Last Updated: October 30, 2026
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Summary
Limited offer 50% discount. Life time course access with limited price offer $12.99 Power BI In this short video, we'll break down the ISAFTER: Returns true if the list of Value1 parameters compares strictly after the list of Value2 parameters. ISINSCOPE: Returns true when the specified column is the level in a hierarchy of levels. ISLOGICAL: Checks whether a value is a logical value (TRUE or FALSE). Raise an error message in Power BI Trap and handle errors in an expression in Power BI ERROR() FACT: Returns the factorial of a number, equal to 1*2*3*…* Number.