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A proposal for visual calculations in DAX
In this article, we share an idea to reduce the friction in using Power BI, by extending the DAX language with new visual calculations. At SQLBI, we teach DAX. We have been teaching DAX to thousands of...
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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...
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Handling customers with the same name in Power BI
This article explains how to show different customers with the same name in a Power BI report by using zero-width spaces, thus simplifying the presentation without adding visible characters to make the...
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Optimizing access to Azure Data Lake Storage (ADSL) Gen 2 in Power Query
I recently implemented Power BI models by extracting data from Azure Data Lake Storage (ADSL) Gen 2, and I wanted to share a lesson learned when using this connector. In this project, I had tens of...
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Sorting duplicated names in a level of a hierarchy with DAX
This article describes how to use DAX calculated columns to sort names that look like duplicates at a certain level of a hierarchy, but are unique when considering their full path within the hierarchy....
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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...
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Distinguishing HASONEVALUE from ISINSCOPE
This article describes the differences between HASONEVALUE and ISINSCOPE, which are two useful DAX functions to control the filters and the grouping that are active in a report. HASONEVALUE and...
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Introducing LOOKUPVALUE
This article shows the reader how to use LOOKUPVALUE, which is a handy function for any developer to have in their toolbelt. LOOKUPVALUE is one of the most widely used functions, especially for DAX...
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Creating Calculation Groups in Power BI Desktop
Something really big is happening! The July 2020 version of Power BI Desktop allows you to create calculation groups in Power BI Desktop, thanks to the new “external tools” feature that enables the...
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Creating calculation groups in Power BI Desktop using Tabular Editor
Learn how to create your first calculation group in Power BI Desktop using Tabular Editor in this step-by-step video.
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Mark as Date table
Tabular models (including Power BI) require marking the Date table as a date table to get appropriate results with time intelligence calculations. This article explains why this setting is required. We...
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Arbitrary combination of measures and calculation items
The consumption experience following the introduction of calculation groups needs to be improved in Power BI. For example, the immediate advantage of having a time intelligence calculation group is...
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Understanding LOOKUPVALUE
The LOOKUPVALUE function retrieves values from a table in a simple way, but it involves a hidden level of complexity. This article provides full coverage of the LOOKUPVALUE internals, alongside several...
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Analyze in Excel for Power BI Desktop
Analyze in Excel for Power BI Desktop is an external tool for Power BI Desktop that with a single click creates a new Excel PivotTable connected to the data hosted in Power BI Desktop. By installing...
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Introducing Analyze in Excel for Power BI Desktop
Less than a month ago, Microsoft introduced the External Tools feature in the Power BI Desktop July 2020 release. By using DAX Studio, you were already able to create a PivotTable in Excel connected to...
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DAX Patterns, Second Edition
LAUNCH OFFER: the books on Amazon, Apple, and Google stores have a reduced price until August 31, 2020. Starting September 1, 2020, the ebook copy will be sold at US$ 29.99 and the paperback at US$...
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Announcing DAX Patterns second edition
Great news! Just one year after releasing the second edition of The Definitive Guide to DAX, we just published a new website, a new book, and a new collection of videos: the second edition of DAX...
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Default calculation item in calculation groups
Power BI offers several options to create filters and slicers in a report. However, it is not possible to define a default filter at the model level so that every new report on a dataset automatically...
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Creating KPIs in Power BI Desktop
This article describes how to create Key Performance Indicators (KPI) in a Power BI Desktop data model by using Tabular Editor. Starting from the July 2020 version, Power BI Desktop offers the...
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The hard truth in numbers
We all have biases. Personally, I kick myself whenever I identify that I have applied my biases when doing an evaluation of any kind. Unfortunately, this happens often because I work with numbers every...
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