Topic: Power BI
-
This article explains the roles of the formula engine and of the storage engine used to execute DAX queries. Read more
-
This article provides a complete explanation of the behavior of the ALLxxx functions in DAX. When used as filters in CALCULATE, ALLxxx functions might display unexpected behaviors. 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 how to import into DAX Studio the performance metrics that can be exported by the Power BI Performance Analyzer, simplifying the analysis of slower queries in a report. Read more
-
DAX calculations can leverage relationships present in the data model, but you can obtain the same result without physical relationships, applying equivalent filters using specific DAX patterns. This article show a more efficient technique to apply virtual relationships in DAX… 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
-
We all have biases. Personally, I kick myself whenever I identify that I have applied my biases when doing an evaluation of any kind. Unfortunately, this happens often because I work with numbers every day. Do you think we at… 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