Data Analysis Expressions (DAX) is the standard PowerPivot formula language that supports custom calculations in PowerPivot tables and Excel PivotTables. While many of the functions used in Excel are included, DAX also offers additional functions for carrying out dynamic aggregation and other operations with your data. Bill's new series serves as a progressive introduction to PowerPivot and DAX formulas, examining the functions, operators and values involved, and offering a wealth of practical examples.  Read more...

Business Intelligence architect, Analysis Services Maestro, and author Bill Pearson exposes the DAX ISBLANK() function, and then provides some hands-on exposure to its use, particularly in combination with other DAX functions, in managing empty values underlying our PowerPivot model designs.  Read more...

Business Intelligence architect and author Bill Pearson exposes the DAX BLANK() function, and then provides some hands-on exposure to its use in managing empty values underlying our PowerPivot model designs.  Read more...

Bill Pearson, Business Intelligence architect and author, exposes the DAX DISTINCT() function, and then provides some hands-on exposure to its use in generating distinct counts. Moreover, he further explores working with measures in the PivotTable in this, the third Level of our new Stairway to PowerPivot and DAX series.  Read more...

Bill Pearson, business intelligence architect and author, exposes the DAX COUNTROWS() and FILTER() functions, while generally exploring, comparing and contrasting the nature and operation of calculated columns and calculated measures, in the second Level of our Stairway to PowerPivot and DAX series.  Read more...

I’m impressed with the current generation of semantic modeling technology from Microsoft.  I’ve had the opportunity to use both PowerPivot...  Read more...

With the Office 2013 announcements today I was excited to download and get my hands on the tools.  Because this is still...  Read more...

Learning DAX is easy once you install the PowerPivot for Excel 2010 add-in and get practical exposure to using functions, operators and values in DAX formulas. Bill Pearson, business intelligence architect and author, kicks off another Stairway series designed to get you using DAX and PowerPivot quickly to provide actionable business intelligence in your own environment.  Read more...

We have a new forum setup for your Powerpivot questions. If you are working with Powerpivot, please feel free to ask questions here.  Read more...

Is self service BI a good idea? Some people think so, others don't. Steve Jones talks about one of the issues and why it might actually not be a problem.  Read more...

Thiago kicks off a new series of articles, taking us through everything we need to know to use PowerPivot effectively. First off, he walks us through the prerequisites, and getting started with our first basic data set.  Read more...

A new direction in BI, with a new flagship interface for Business Intelligence from Microsoft. Steve Jones talks a little about the back story he heard from Microsoft.  Read more...

A new direction in BI, with a new flagship interface for Business Intelligence from Microsoft. Steve Jones talks a little about the back story he heard from Microsoft.  Read more...

A new direction in BI, with a new flagship interface for Business Intelligence from Microsoft. Steve Jones talks a little about the back story he heard from Microsoft.  Read more...

A new direction in BI, with a new flagship interface for Business Intelligence from Microsoft. Steve Jones talks a little about the back story he heard from Microsoft.  Read more...