December 2018
Beginner to intermediate
794 pages
19h 29m
English
book
Microsoft Power BI Complete Reference
by Devin Knight, Brian Knight, Mitchell Pearson, Manuel Quintana
Content preview from Microsoft Power BI Complete Reference
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Time intelligence
Another advantage of Power BI is how easily time intelligence can be added to your data model. Within data analysis expressions (DAX), you have a comprehensive list of built-in time intelligence functions to make this very easy. In this section, you are going to use these built-in functions to create the following measures:
- Year to Date Sales
- Year to Date Sales (Fiscal Calendar)
- Prior Year Sales
Built-in time intelligence calculations do not work if you are using a direct query connection to your data source rather than importing data. Take a look at the alternative methods for calculating time intelligence in the DAX cheatsheet at https://tinyurl.com/pbiqs-daxcheatsheet.
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