Data Visualization in Practice

on YouTube ↗48m

" summary

Covers concrete techniques and gotchas: uses D3.js with TopoJSON to draw US county maps and color by area, shows a side‑by‑side stop‑and‑frisk comparison that reveals spatial pockets, demos a TopoJSON US atlas and a color fix with Chroma.js, warns against truncated y axes and cumulative revenue plots that mislead, shows Cubism layered time‑series revealing CPU spikes during deployments and demos exploration with Crossfilter, and points to Nexalogy as a real social‑media case study.

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" chapters (7)

1. 0:00Introduction and speaker
2. 2:03Defining data visualization
3. 7:53Data visualization and big data
4. 10:55Context and principles
5. 23:38D3.js mapping techniques
6. 31:18Principles of data integrity
7. 36:53Advanced principles and resources

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