May 2019
Beginner to intermediate
650 pages
14h 50m
English
Content preview from Learn D3.js
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Summary
In this chapter, you learned how to use most of the methods of the d3-array module, which extend JavaScript with several tools for data manipulation, making it easier to prepare data for use in selections, and in layout and shape generators.
You learned about two strategies for grouping data. The d3.nest() function from d3-collection is the most popular and the simplest one to use, but it may be replaced in the near future with functions derived from d3.group() and d3.rollup(), which are used in recent versions of the d3-array module. A full example using multi-level grouping was explored in this chapter using d3.nest(). You might want to try and repeat the example using d3.group() or d3.rollup() as an exercise.
We also introduced ...
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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.