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blog post –

7 reasons DAX is not easy

DAX is simple, but it is not easy. I cannot remember how many times I read this sentence on social media, attributed to me. For good reason: I have repeated this sentence at almost every classroom course I delivered over…  Read more

video –

Query Performance Tuning in DAX Studio

DAX Studio is the best tool to analyze the performances of DAX queries. In this webinar recorded for powerbi.tips, Marco Russo shows how to collect metrics in DAX Studio and investigate on storage engine and formula engine cost of some…  Watch now

blog post –

Standard DAX separators in Power BI Desktop

Starting from the May 2020 version of Power BI Desktop, regardless of the Windows locale settings DAX always uses standard separators by default. This change does not affect most Power BI users around the world; but if you use the…  Read more

DAX 101 –

Using USERELATIONSHIP in DAX

This article shows how to use the USERELATIONSHIP function in DAX to change the active relationship in a CALCULATE function.  Read more

video –

Checking model size using VertiPaq Analyzer in DAX Studio

VertiPaq Analyzer is a set of tools and libraries to analyze VertiPaq storage structures for a data model in Power BI and Analysis Services Tabular. In this webinar recorded for powerbi.tips, Marco Russo shows how VertiPaq Analyzer has been integrated…  Watch now

article –

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

article –

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