June 2026
Intermediate to advanced
582 pages
16h 16m
English
Content preview from Learn D3.js - Second Edition
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10
Colors
Selecting an effective color scheme for data visualization involves more than aesthetics. Besides distinguishing and suggesting associations between sets of data, they communicate information through aspects such as hue, contrast, saturation, or lightness. They are critical to guarantee the accuracy of a chart, based on how they are perceived when displayed across different devices, printed, or interpreted by visually impaired viewers. The choice of colors is never neutral. They may attract or repel the viewer from relevant information.
Colors that vary in lightness and saturation suggest a sequential relationship (stronger/weaker, hotter/colder). Opposing data is often depicted using divergent color palettes, where extremes are shown ...
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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.