We write articles and white papers on Microsoft Business Intelligence technologies on a regular basis. The list below showcases all our content sorted chronologically - you can filter through the content by post type, topic, and author.
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article –

Naming temporary columns in DAX

This article describes a naming convention for temporary columns in DAX expressions to avoid ambiguity with the measure reference notation.  Read more

blog post –

VertiPaq Analyzer 2.0 Preview 1

In 2015 I released the first version of VertiPaq Analyzer, a tool to quickly analyze the structure and data distribution of a Tabular model that can be used with Analysis Services and Power BI.  Read more

DAX 101 –

Previous year up to a certain date

This article describes how to compute previous year values up to a certain date. This is useful in case the data is presenting incomplete months or years.  Read more

article –

Blank row in DAX

There are two functions in DAX that return the list of values of a column: VALUES and DISTINCT. This article describes the difference between the two, explaining the details of the blank row added to tables for invalid relationships.  Read more

Calculation Groups –

Understanding Calculation Group Precedence

This article explains the precedence of calculation groups in DAX, needed whenever multiple calculation groups are present within the same model. Before starting, we suggest you read the previous articles in this series.  Read more

Calculation Groups –

Understanding the Application of Calculation Items

This article explains how calculation items are applied to measure references, and it is part of a series dedicated to calculation groups in DAX. Before starting, we suggest you read the previous articles in this series.  Read more