DAX creates a blank row to guarantee that results are accurate even if a regular relationship is invalid. The blank row is not created for limited relationships. This article shows the effect of not having a blank row in your…  Read more

This article describes the practical uses of NATURALLEFTOUTERJOIN and NATURALINNERJOIN in DAX. These functions are not commonly used in DAX because they do not have the same flexibility as the corresponding concepts in SQL.  Read more

This article describes how to correctly shape a data model and prepare data to use a Sankey Chart as a funnel, considering events related to a customer (contact, trial, subscription, renewal, and others).  Read more

This article describes how to use the DAX time intelligence calculations applied to the latest period available in the data, also known as the “current” period.  Read more

This article shows how to compute ratios when row-level security hides some of the data. If the percentage also includes the hidden rows in the comparison, you should customize the data model and the measures involved to get the right…  Read more

This article explains a typical pattern to optimize a SUMX iterator by reducing the number of callbacks in the expression.  Read more

This article describes how to apply conditional formatting on measures picked from a slicer and implemented using two techniques: field parameters and calculation groups.  Read more

Power BI introduced dynamic format strings in May 2023. In this article, we briefly introduce this functionality and then dive into a few technical details of its implementation.  Read more

This article analyzes the performance of different DAX techniques to identify any products without sales in an area or a time period.  Read more

You can rely on DAX expressions to control the behavior of some aspects of Power BI visuals. This article shows a few examples of managing the range of charts.  Read more