data-visualization

Installation
SKILL.md

Data Visualization

Principles and best practices for effective data visualization.

Core Principles

Tufte's Foundations

Data-Ink Ratio: Maximize ink used for actual data

  • Remove unnecessary gridlines, borders, backgrounds
  • Eliminate 3D effects, shadows, decorative elements
  • Every visual element must justify its existence

Lie Factor: Graphical representation must match data

  • Lie Factor = Size of Effect in Graphic / Size of Effect in Data
  • Ideal = 1. Substantial distortion when >1.05 or <0.95
  • Avoid: non-zero baselines, inconsistent scales, 3D distortion

Chart Junk: Remove non-data ink and redundant data-ink

Related skills
Installs
8
GitHub Stars
4
First Seen
Feb 19, 2026