This article shows how to compute a measure that sums the values produced row by row in the visual into the visual total, instead of recomputing the total value in the filter context of the total.  Read more

Values such as inventory and account balance, usually calculated from a snapshot table, require the use of semi-additive measures. This article describes how to implement these calculations in DAX according to your specific requirements.  Read more

I was recently reading an interesting question by a user. Given a date/time value and a number of hours, add the number of hours to the date, but considering some constraints related to working hours: The working hours are 09:00-17:00…  Read more

This article shows a DAX technique to compute the number of working days between two dates.  Read more

This article shows how to compute a running total over a dimension, like for example the date.  Read more

Microsoft announced at SqlBits a very important feature for DAX: Calculation Groups. These are my first impression about the new feature and the impact it will have on Analysis Services and Power BI.  Read more

This article describes how to display the filter context applied to a calculation using a special DAX measure in Power BI Tooltips.  Read more

This article describes how to write DAX measures that compute aggregations or comparisons with past dates without showing or comparing future dates.  Read more

Yesterday I answered to a question related to parameters in DAX that could be useful to other readers who use DAX in Reporting Services (SSRS): how to manage missing parameters of a DAX query? I wrote an article in the…  Read more

This article describes the real meaning of and the required action for a few common error messages that can appear when users define DAX expressions in Power BI.  Read more