This article shows an optimized DAX technique to display the first N products for each category in Power BI, adding a row that aggregates the value for all the other products. The companion video introduces the scenario and the general…  Read more

Power BI sets a new milestone in Business Intelligence: Marco describes the importance of new composite models in an article, and Alberto shows them in action in a video.  Read more

This article shows how to use calculation groups to change the active relationship in a model in order to let users choose among multiple dates.  Read more

This article describes the memory configuration in SQL Server Analysis Services and Azure Analysis Services. Modifying these settings may impact performance and memory errors.  Read more

This article shows techniques to obtain a ranking based on more than one column. The ranking can be both static and dynamic.  Read more

This article explains the roles of the formula engine and of the storage engine used to execute DAX queries.  Read more

A Tabular model can define a measure as a Key Performance Indicator (KPI), thus providing a visual indicator for status and trend. This article describes in detail the KPI settings needed to get the best result using Power BI and…  Read more

This article shows two techniques based on calculation groups: how to implement dynamic format strings in regular measures, and how to perform weight conversion on the fly.  Read more

This article describes the behavior of the DAX functions that manipulate sets; they are useful to create queries and sometimes also to author measures.  Read more

This article and its companion video describe how to create a service principal account to be used with the Power BI API. The reader must already be familiar with the Power BI API.  Read more