As a part of his “Function / Iterator Pairs” mini-series, Business Intelligence architect, Analysis Services Maestro, and author Bill Pearson introduces the DAX Product()and ProductX() functions, discussing the syntax, uses and operation of each. He then provides hands-on exposure to Product()and ProductX(), respectively, in returning the product of numbers in a column and in returning the product of an expression evaluated for each row in a table.
2022-04-04 (first published: 2016-03-17)
4,869 reads
Business Intelligence architect, Analysis Services Maestro, and author Bill Pearson exposes the DAX SUM() and SUMX() functions, comparing and contrasting the two. He then provides some hands-on exposure to the use of each, particularly in combination with other DAX functions, in managing “sum” aggregations within our PowerPivot model designs.
2022-04-04 (first published: 2014-08-27)
6,776 reads
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.
2022-04-04 (first published: 2013-05-09)
7,577 reads
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.
2022-04-04 (first published: 2013-03-18)
8,751 reads
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.
2022-04-04 (first published: 2013-02-26)
10,665 reads
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.
2022-04-04 (first published: 2012-12-07)
21,817 reads
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.
2022-04-04 (first published: 2011-12-21)
34,095 reads
Data Analysis Expressions (DAX) can be used in formulas or expressions to calculate and return information from data already in our Power BI models. This Stairway series serves as a progressive introduction to DAX within the context of Power BI, examining the functions, operators and values involved, and examining their operation in practice examples. As a part of introducing DAX functions and overall capabilities, the Levels of the series will also offer a wealth of practical exposure to Power BI features as a part of putting DAX to work in our data models and visualizations.
2022-04-04 (first published: 2011-08-09)
12,472 reads
