(source)
[Review] Data visualization
Data types
- Nominal, ordinal, quantitative
Visual variables
- Comparisons
(Source: Nathan Yau, Data points)
Data visualization patterns
(Source: Joel Laumans, An introduction to visualizing data)
Map visualizations (Geomapping)
Projections
(Source: Jason Davies)
Visual variables for spatial data
Examples
Dot map: A dot for every data point
(source)
How to lie with a dot map
(Source: xkcd)
Choropleth map: Attribute uniformly distributed in region
How to lie with a choropleth
(Source: Huffington Post)
Cartograms: Size of region scaled to attribute value
(Source: Shawn Allen, Cartograms with d3 & TopoJSON)
(Source: Maneesh Agrawala, D3 Introduction, Mike Bostock, D3 workshop)
Visualization tools
D3
- Go to d3js.org
MapBox
- Go to MapBox