Karl Ho
Data Generation datageneration.io
Karl Ho
School of Economic, Political and Policy Sciences
University of Texas at Dallas
Data Literacy
Understand data theory
Manage data
Analyze data
Data Skills
Programming
Tools
Source: Yau 2011
Understand data theory
Be familiar with principles behind effective data visualization
Read complex data through educated reviews
Communicate message in data effectively using advanced visualization techniques
Multibeam sonar backscatter data draped on bathymetry off Santa Monica Calif. Yellow is high backscatter. Santa Monica sewer pipe and diffuser is visible in upper part of image (y-shaped feature). Red-brown dots represent color-coded fish abundance as determined from trawl data.
Source: https://tinyurl.com/ydhqtr8f
Source: Chris Adolph, also Johnson, R.R. and Kuby, P.J., 2011. Elementary statistics. Cengage Learning.
Look closer
Look closer
Source: Edward R. Tufte. 2001. The Visual Display of Quantitative Information. Graphics Press. 2nd ed.
Source: https://en.wikipedia.org/wiki/Charles_Joseph_Minard
Charles Joseph Minard, in mapping Napoleon's march on Moscow
Source: https://en.wikipedia.org/wiki/Charles_Joseph_Minard
How much information?
1. Latitude of army & features (Y-coordinate) . 2. Longitude of army & features (X-coordinate)
3. Size of army (width of line, numerals) . 4. Advance vs. Retreat color of line
5. Division of army splitting of line 6. Temperature linked lineplot
7. Time linked lineplot
Source: https://en.wikipedia.org/wiki/Charles_Joseph_Minard
Combines narrative & analysis:
a technique mostly lost until this century
- Chris Adoph
Source: https://en.wikipedia.org/wiki/Charles_Joseph_Minard
Source: https://en.wikipedia.org/wiki/Charles_Joseph_Minard
By Karl Ho