# Topic: DAX

Page 3 of 413 posts
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# Working below a DAX formula’s granularity

This article explains how to control the result provided by a formula in a DAX measure when the meas-ure is being used in a report with granularity below the granularity supported by the formula.  Read more

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# Obtaining accurate totals in DAX

This article describes how to compute visual totals accurately, in case a measure does not provide the right result at the total level but works correctly in other rows of the report.  Read more

Calculation Groups –

# Controlling Format Strings in Calculation Groups

This article describes how to control format strings in calculation groups. Before starting, we suggest you read the previous articles in this series.  Read more

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# Calculation Groups section in the Mastering DAX Video course

UPDATE 2020-03-28: Calculation groups are coming soon to Power BI Desktop, read the added section at the bottom of the post. I am glad to announce that we just released an additional module about Calculation Groups to the Mastering DAX…  Read more

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# The COALESCE function in DAX

COALESCE is a DAX function introduced in March 2020. This article describes the purpose of COALESCE and how to simplify DAX expressions by removing verbose conditions, and yet obtain the same result.  Read more

From SQL to DAX –

# From SQL to DAX: Projection

This article describes projection functions and techniques in DAX, showing the differences between SELECTCOLUMNS, ADDCOLUMNS, and SUMMARIZE.  Read more

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# Currency conversion in Power BI reports

This article describes how to implement currency conversion for reporting purposes in Power BI.  Read more

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# Relationships in Power BI and Tabular models

This article describes the types of relationships available in Power BI and Analysis Services, clarifying the differences in cardinality and filter propagation of physical relationships.  Read more

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# Optimizing LASTNONBLANK and LASTNONBLANKVALUE calculations

This article explains the behavior of LASTNONBLANK, LASTNONBLANKVALUE, and similar DAX functions, also providing patterns for performance optimization.  Read more

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# A small change in DAX Formatter and in DAX formatting rules

DAX Formatter was created in 2013 to help users format their code based on the Rules for DAX Code Formatting published in October 2012. Because the main goal is to make the code immediately readable and recognizable, DAX Formatter purposely…  Read more