Power BI in Practice Blog Posts

We've often been asked if it's possible to group the results of a DAX measure into numeric ranges. For example, to group a Total Sales measure for each Customer into various numeric ranges, sometimes referred to as "bins". The answer is, yes it is, as you can see from the screenshot below:- In this screenshot, we can see that we have five customers whose Total Sales fall between 150,000 and 199,999 in 2019. How did I do this? Firstly, my… Read More

Recently I was asked by one of our clients to solve this question; how could they calculate the number of days between customers' transactions? Clearly, in order to do this calculation, you would need to find the transaction date that was previous to the transaction date sitting in the current row. You could then subtract the earlier date from the later date and return the days between them. It occurred to me, that such a calculation could have a more… Read More

If you're building a DataModel in Power BI, and creating relationships between tables you may have come upon this message. What the heck does "Cardinality Many-Many" mean? And what is the "Significantly different behaviour" they're warning me about here? In this post I set out to find out what these Many-to-Many relationships mean and how they work. The answer is complicated, but worth understanding if you want to create efficient data models in Power BI. [latestCourse] Two Types of Many-to-Many… Read More