August 2016
Beginner to intermediate
660 pages
14h 27m
English
book
Tableau: Creating Interactive Data Visualizations
by Jen Stirrup, Ashutosh Nandeshwar, Ashley Ohmann, Matt Floyd
Content preview from Tableau: Creating Interactive Data VisualizationsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Using predefined functions
Tableau provides many predefined functions that help us manipulate data in a certain way. These functions are divided by the type of manipulation, such as functions of numeric and string data types, or aggregate operations.
Getting ready
Let's use the sample file Sample – Superstore Sales (Excel). Open a new worksheet and select Sample – Superstore Sales (Excel) as the data source.
How to do it...
Once the data is loaded on the worksheet, perform the following steps to create a new calculated field:
- To calculate the square root of a number, right-click on the Measures pane and select Create Calculated Field.
- In the Name box, enter
SquareRootofSalesas shown in the following screenshot: - In the Formula box, enter
SQRT([Sales]) ...
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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.
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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.