Topic: DAX

        413 posts
blog post –

Default calculation item in calculation groups

Power BI offers several options to create filters and slicers in a report. However, it is not possible to define a default filter at the model level so that every new report on a dataset automatically applies that filter. The…  Read more

blog post –

Announcing DAX Patterns second edition

Great news! Just one year after releasing the second edition of The Definitive Guide to DAX, we just published a new website, a new book, and a new collection of videos: the second edition of DAX Patterns! DAX Patterns is…  Read more

article –

Understanding LOOKUPVALUE

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

DAX 101 –

Mark as Date table

Tabular models (including Power BI) require marking the Date table as a date table to get appropriate results with time intelligence calculations. This article explains why this setting is required.  Read more

blog post –

Creating Calculation Groups in Power BI Desktop

Something really big is happening! The July 2020 version of Power BI Desktop allows you to create calculation groups in Power BI Desktop, thanks to the new “external tools” feature that enables the integration with Tabular Editor. We had been…  Read more

article –

Introducing LOOKUPVALUE

This article shows the reader how to use LOOKUPVALUE, which is a handy function for any developer to have in their toolbelt.  Read more