September 2016
Beginner to intermediate
531 pages
12h 55m
English
Content preview from Data Visualization: Representing Information on Modern Web
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Scales
Scales are functions that map a domain to a range. I know I keep saying that, but there really isn't much more to say.
The reason we use them is to avoid math. This makes our code shorter, easier to understand, and more robust, as mistakes in high-school mathematics are some of the hardest bugs to track down.
If you haven't spent 4 years just listening to mathematics at school, note that a function's domain includes the values for which it is defined (the input), and its range includes the values it returns.
The following figure is borrowed from Wikipedia:
Here, X is the domain, Y is the range, and the arrows are the functions. We need a bunch ...
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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.
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.