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Data Visualization

Learn about best practices and tools to visualize data using charts and maps.

Refining a Visualization

Color & Visual Elements

How to Use Color

Picking Colors

Learn by Example

Bad to Good

Chart Makeovers show how poor visualizations could have been done right:
  • Mistaken Data from Flowing Data  (see also Ugly Charts which cannot be fixed)
  • Makeovers from Storytelling with Data - Includes Excel files with the revised graphs
  • Makeovers from Stephanie Evergreen - Includes both chart and slide redesigns 
  • Remakes from PolicyViz - Includes Excel files with the revised graphs

Bad Examples from Scientific Literature

Bad Examples (User-Contributed)