DAX is the analytical language in Power BI. Learning this language, however, comes with some difficulties. Part of that challenge is the way that functions work in DAX. Learning the output of functions is an important element of learning how and where you can use them. In this article, I’ll explain two types of outputs Read more about Power BI DAX Back to Basics: Scalar Vs. Tabular Functions[…]
If you want to develop Power BI reports, you’ll need the Power BI Desktop application. However, Power BI Desktop application comes in two ways; Download it separately and install it on your Windows machine, or Get it from Microsoft Store as an App. The question that I often get is; What is the difference? which Read more about Power BI Desktop Download or Microsoft Store App? Which One?[…]
In this post series, I am going to show how to use new Q&A visuals for the aim of creating easy visuals by typing the natural language and define some user-defined terms and how to manage it. This visual is now generally available for everyone. IN this post some introduction to this visual about how Read more about Q&A Visual in Power BI Desktop[…]
Substring is one of the most common functions in many languages, However, there is no function named Substring DAX. There is a very simple way of doing it, which I am going to explain in this post. Substring means getting part of a string, for example from “Reza Rad”, if I want to get the Read more about Substring in DAX: How to get Part of String Field in Power BI Using DAX Expression[…]
I have a Power Query script that I usually use in any Power BI solution that needs time-based analysis. However, I never had a chance to publish it here for everyone to use. So here it is. A friend’s question about a time table reminded me that it is good to publish this to the Read more about Script for Creating TIME Table in Power BI with Hours, Minutes and Seconds Buckets[…]
Yesterday, I published a post about having a slicer that filters the rows in a table visual in Power BI that contains the characters from that slicer. A friend asked me what if we want to search for the first few characters? that means selecting the first character, then seeing all the possible second characters, Read more about Search for All the Texts in Power BI Table Visual with the First Three Characters Selected in the Slicer[…]
If you have a lot of text in a table visual in Power BI and want to search to find all texts with a specific character in it, I have a solution for you. You can have an alphabet slicer and use it to filter the table visual, the trick is to combine it with Read more about Search in Power BI Table Visual Using a Slicer For Contains Character Criteria[…]
In the previous article, I explained how you can use GROUPBY function in DAX to create an aggregated table. In this article, I’ll explain how you can use Summarize function for the same purpose. Summarize function gives you more control on how to create your aggregated table with some extra functions. Let’s see how it Read more about Aggregated Table in Power BI with Extra Options – Summarize Function in DAX[…]
There are many different ways you can create aggregations in Power BI, You can do it in the source (using the database t-SQL language), or using Group By operation in Power Query. You can also do it in DAX using some functions. One of the functions that can be used for grouping and aggregation is Read more about Aggregated Table in Power BI – Using GroupBy Function in DAX[…]
I have explained previously that you can use GenerateSeries function in DAX to create a list of number, date or time, or even currency values. However, sometimes you might need to create a list of text values. Such as alphabet; from “a” to “z” lowercase, or uppercase. The good news is that you can do Read more about Create a Table with A to Z Character Values in Power BI Using DAX[…]