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This article describes the semantic difference between ALLEXCEPT and the joint use of ALL and VALUES, showing practical examples of the different results in Power BI and SSAS 2016. Read more
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The new video course to create enterprise-level solutions with Power BI and Analysis Services is available! Read more
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This article explains how the CONTAINS function works and what can be used as better alternatives in DAX in common use cases. Read more
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This article provides you with the technical knowledge to choose between using a Date or an Integer to create the relationship between your fact table and the Date dimension. Read more
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This article shows how to use calculation groups to define a default set of values for columns in your model. Different users can have different default values, and yet retain the full capability to select different values. Read more
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This article describes how blank values considered in a DAX conditional expression can affect its query plan and how to apply possible optimizations to improve performance in these cases. Read more
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You can implement the calculation of stock inventory over time in several ways in DAX. The xVelocity technology in Power Pivot and Analysis Services Tabular is so fast that you might consider both dynamic calculation and snapshot-based calculation, depending on… Read more
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SUMMARIZE is a very powerful and very complex function to use. This article describes its internal behavior, and provides guidance on how to use it. Read more
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This article describes how to use KEEPFILTERS in DAX iterator functions to preserve arbitrarily shaped filters in context transition. Read more
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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