I recently implemented Power BI models by extracting data from Azure Data Lake Storage (ADSL) Gen 2, and I wanted to share a lesson learned when using this connector.  Read more

In this article, we share an idea to reduce the friction in using Power BI, by extending the DAX language with new visual calculations.  Read more

Starting from the May 2020 version of Power BI Desktop, regardless of the Windows locale settings DAX always uses standard separators by default. This change does not affect most Power BI users around the world; but if you use the…  Read more

This article describes how to optimize a slow Power BI report with a large number of card visuals, by obtaining the same graphical layout with a smaller number of visuals.  Read more

This article describes how to use conditional formatting with a DAX expression to color the rows of a table in Power BI based on the order number instead of using the alternate rows color formatting option.  Read more

This article describes how to control format strings in calculation groups. Before starting, we suggest you read the previous articles in this series.  Read more

UPDATE 2020-03-28: Calculation groups are coming soon to Power BI Desktop, read the added section at the bottom of the post. I am glad to announce that we just released an additional module about Calculation Groups to the Mastering DAX…  Read more

COALESCE is a DAX function introduced in March 2020. This article describes the purpose of COALESCE and how to simplify DAX expressions by removing verbose conditions, and yet obtain the same result.  Read more

This article describes projection functions and techniques in DAX, showing the differences between SELECTCOLUMNS, ADDCOLUMNS, and SUMMARIZE.  Read more

This article describes how to implement currency conversion for reporting purposes in Power BI.  Read more