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.
     Page 13 of 868 posts
blog post –

New formula to compute new customers in #dax

Two years ago I and Alberto Ferrari spent time discussing techniques to calculate new and returning customers, and we wrote the result of our study in the New and Returning Customer article in DAX Patterns web site and book . During one of the Mastering  Read more

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Computing New Customers in DAX

In this article, Alberto Ferrari describes a new efficient way to compute returning customers in DAX thanks to an idea suggested by a student attending an Optimizing DAX workshop.  Read more

DAX puzzle –

RELATED in a Query

In DAX, columns have lineage. Knowing when lineage is maintained in a DAX expression and when it is not, is an important skill to write effective code. As a general rule, column references maintain lineage whereas expressions lose it. This…  Read more

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Choosing Numeric Data Types in DAX

A data model for DAX has three numeric data types: integer, floating point, and fixed decimal number. This article describes them and explains why the fixed decimal number should be used instead of the floating point in most scenarios.  Read more

blog post –

Leverage Analyze in Excel for your Power Pivot model

Microsoft recently released the Analyze in Excel feature, which allows you to connect an Excel pivot table to a data model published on Power BI. I think/hope that Microsoft will enhance this feature to extend its current limits. For example, it does  Read more

blog post –

A warm welcome to Power BI Embedded #powerbi

I wrote this blog post with Alberto Ferrari . A few days ago, during the Build conference, Microsoft announced the availability, although still in preview, of Power BI Embedded . In a few words, Power BI Embedded lets you embed Power BI reports in your  Read more

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Data Import Best Practices in Power BI

When you create a data model in Power BI, you should consider how to properly use naming convention and what columns to include, in order to improve usability and performance. This article provides a quick list of best practices valid…  Read more

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Filter Arguments in CALCULATE

A filter argument in CALCULATE is always an iterator. Finding the right granularity for it is important to control the result and the performance. This article describes the options available to create complex filters in DAX.  Read more

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Time Intelligence in Power BI Desktop

In Power BI Desktop (as of February 2016) you have to use DAX to apply calculations over dates (such as year-to-date, year-over-year, and others), but you do not have the Mark as Date Table feature. This article describes which scenarios…  Read more