Tableau Prep is two tools sharing one name. Prep Builder is where you clean and shape data into flows, on the desktop or on ...

Last time, I wrote about how to store official boat racing data on hand and aggregate it in Excel. This time, I will use that database to actually present some figures that everyone is curious about ...

As you’ve probably seen in the blog post for the September 2026 release of Power BI, Import mode and Direct Lake mode semantic models now support the ApproximateDistinctCount() DAX function. I tested ...

IntroductionThe first two days of every month are filled with the same tasks. I open the exported CSV, drop the rows for ...