The article discusses advanced DAX functions for Time Intelligence in Power BI, addressing scenarios beyond standard calculations. Common needs such as calculating last n periods, leap years, week-to-date, and fiscal periods are examined. An extended date table is recommended for improved performance and versatility. The author demonstrates using DAX Studio for performance analysis and highlights that most Time Intelligences work with non-aligned fiscal years, featuring the DATESYTD() function for year-to-date calculations. Practical examples, including a base measure for online sales, illustrate the application's complexity.
Not all business time-analysis scenarios can be fulfilled with standard DAX Time Intelligence functions, prompting the need for more nuanced calculations to optimize performance.
Using an extended date table can effectively support complex time intelligence requirements while enhancing efficiency and ensuring timely insights.
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