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 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 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

A Date table in Power BI can have a smaller number of columns by leveraging custom format strings to adequately control the chart visualization and the sort order.  Read more

This article describes how to create Key Performance Indicators (KPI) in a Power BI Desktop data model by using Tabular Editor.  Read more

The LOOKUPVALUE function retrieves values from a table in a simple way, but it involves a hidden level of complexity. This article provides full coverage of the LOOKUPVALUE internals, alongside several performance considerations.  Read more