December 2019
Beginner
370 pages
8h 9m
English
book
Tableau Desktop Certified Associate: Exam Guide
by Dmitry Anoshin, JC Gillet, Fabian Peri, Radhika Biyani, Gleb Makarenko
Content preview from Tableau Desktop Certified Associate: Exam Guide
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When to use calculations
Before we dive into calculations and how to create them, it is equally important to understand when to create calculations. Some examples of when calculations are useful are as follows:
- Changing datatypes: For example, you have data that is being represented as a string value.
- Performing mathematical calculations: For example, you want to divide two fields to obtain ratios or percentages or subtract fields.
- To create logical groupings/labels: For example, if you want to group people in those who can drive or not, you can create a calculation saying: if you are older than 18 and have a valid driving license, you can drive.
- To create new fields from existing data: For example, you want to create a country field by ...
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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.Julian F.
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.Addison B.
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.Amir M.
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.