Data modelling and DAX
This article aims to show how you can speed up distinct count calculations in Power BI using the built-in user-defined aggregations feature. The user-defined aggregation feature in Power BI is designed to work with direct query models and usually gets used for calculations such as SUM, MIN, MAX etc. However, it can also work well … Continue reading Speed up Distinct Count calculations in Power BI using Aggregations
Introduction How to choose the correct storage mode for Power BI Tables. This article aims to help explain the different storage modes available when designing an aggregation strategy for a Power BI Report. What each storage mode is and when you would use it. Picking the correct storage mode for each table in your model … Continue reading Power BI Storage Modes for Aggregations
This article introduces the Power BI User-defined Aggregations feature. It includes a walkthrough example (with video) showing how to configure and test a simple model to use this feature. If you have not used Power BI User-defined Aggregations before, need a refresher or reminder, or are just keen to understand how to configure, this article … Continue reading Intro to Power BI Aggregations
Using DAX to help group and count the last known state I got asked recently to help with a DAX measure for an interesting problem in the inventory domain. The requirement is to generate a chart showing the count of the last known State of a given number of items. Here is a walkthrough of … Continue reading DAX : Count number of last known state
