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STUDY GUIDE

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Aannalabrozzi
Last edited Mar 27, 2018
Created on Mar 26, 2018

This example demonstrates common data-manipulation patterns in D3, showing how to calculate averages, search arrays, sort objects, and combine datasets using JavaScript loops and D3 methods like `d3.mean` and `d3.ascending`. It also includes commented code for loading CSV data, building tooltips with HTML tables, and preparing geographic path data for SVG rendering. The visualization is a study guide presented as code snippets in the browser console, using D3 v4 with SVG output, and relies on built-in array methods such as `forEach`, `includes`, and `sort`.

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