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Showing page 17 of 17 (164 total posts)
  • ABC Analysis in PowerPivot

    The calculation for ABC analysis can be made in PowerPivot using calculated columns. In this way each row can have an attribute with the appropriate ABC class. The ABC calculation has to be made considering a particular grouping and sort order. For example, we wanted to define an ABC class of Products for internet sales transactions of ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on January 18, 2010
  • How CALCULATE works in DAX

    The CALCULATE function in DAX is the magic key for many calculations we can do in DAX. However, it is not pretty intuitive how it works and I spent a lot of time trying to understand how it can be used. First of all, this is the syntax. CALCULATE( <expression>, <filter1>, <filter2>… ) The expression that we put in the first ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on January 3, 2010
  • Distinct Count Measure in PowerPivot using DAX

    UPDATE: PowerPivot for Excel 2010 in SQL Server 2012 and Excel 2013 support the DISTINCTCOUNT aggregation in DAX. This blog post is relevant only if you use PowerPivot for Excel 2010 in SQL Server 2008 R2. A PivotTable based on PowerPivot data doesn’t offer a native Distinct Count aggregation. To calculate it, you need to create a calculated ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on December 26, 2009
  • Many-to-Many relationships in PowerPivot

    UPDATE: This blog post is still good for learning DAX principles, but a better description of many-to-many patterns is available on The Many-to-Many Revolution whitepaper that is available here: http://www.sqlbi.com/articles/many2many/ - please download it and use the pattern described there to write faster DAX formulas! PowerPivot doesn’t ...
    Posted to SQLBI - Marco Russo (Weblog) by sqlbi on December 7, 2009
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