Ever looked at your Power BI dashboard and thought, “Why isn’t this number right?” You're not alone. Many Power BI users unknowingly misuse basic functions like COUNTROWS, COUNT, SUM, and AVERAGE, and it often leads to misleading results. In this video, we're clearing up that confusion once and for all.
We'll walk through each function, show you exactly how they behave, and reveal the subtle—but critical—differences between them. You’ll learn how COUNT differs from COUNTROWS, and how to use SUM and AVERAGE correctly. We'll support the explanation by using real examples so you can understand how these functions behave and see their results.
Hit play and let’s get your DAX skills one step up. If you are a beginner and are unsure about how to use these functions in Power BI, this is the video you’ve been waiting for.
🕙 You can use these timestamps in case you are looking for something specific
00:00 - Introduction
00:49 - Finding the total number of rows in a table using COUNTROWS
02:54 - Finding the total number of rows in a column using COUNT
03:57 - Adding all the values in a column using SUM
04:45 - Finding the average of all the values in a column using AVERAGE
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