DAX Power BI: What Is Row Context

In this blog, we are going to dive into row context in DAX Power BI. Another way to call it is the iterating calculation engine, but it is called row context from a more technical perspective. DAX Power BI: Row Context & SUMX The way that you get into row context is by using iterating

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How To Use An Iterating Function In Power BI

This tutorial will teach you about different iterating functions and how to efficiently use them in your calculations. I often discuss how calculated columns are not required when making some calculations. This is because of iterators. Iterators or iterating functions can help you do a calculation without physically putting the results in the table. This

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Power BI Calculated Column vs Measure: A Comparison

In this blog, I’m going to compare Power BI calculated column and measures, and then cover some of their differences. I’m also going to show you optimal situations where you can use either of them. Creating Calculated Columns I’m going to start by creating a calculated column in Power BI. This is probably what you’re

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The Difference Between SUM vs SUMX In Power BI

SUM vs SUMX What's The Real Difference Between These DAX Measures

There is still a lot of confusion about the difference between SUM vs SUMX in Power BI. This is key knowledge that users have to master because both functions can be used across different scenarios, but there are cases where one is more efficient than the other. I’m going to focus on one example here

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Showing The Last Three Customer Sales Using The TOPN Function

I’m going to cover some great functions here in Power BI that are very useful across a variety of analytic scenarios. Some of these functions can help us work out the last three customer sales. What I want to show you is how to work out the sales from a specific customer, but by only

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