Principles of Analytical          DesignNicolas Garcia Belmonte - @philogb - Sept. 2011
I use Web Standards to create Data Visualizations.
I’m the author of two JavaScript data visualization                   frameworks.    PhiloGL                  JavaScript I...
Fundamental Principles of     Analytical Design (Tufte)1 - Comparisons2 - Causality, mechanism, structure, explanation3 - ...
1 - Show comparisons, contrasts, differences.
Source: Randall Munroe - http://xkcd.com/
Source: Randall Munroe - http://xkcd.com/
Lie Factor“The representation of numbers, as physically measured on    the surface of the graphic itself, should be direct...
Lie Factor1985: the line representing 27.5 m/g is 5.3 inches long1978: the line representing 18.0 m/g is 0.6 inches long  ...
Sometimes it’s useful to emphasize something.
2 - Show causality, mechanism, explanation, systematic                      structure.
Source: Semiology ofGraphics - Jacques Bertin
Charles Minard’s data-map describes the successive lossesin men of the French army during the French invasion of          ...
3 - Show multivariate data; that is, show more than 1 or 2                        variables.
Channel Ranking vs. Data TypeQuantitative                                           Ordinal                               ...
Maps for height, hair color and cephalic index distribution        Source: Semiology of Graphics - Jacques Bertin
Map for height, hair color and cephalic index distribution       Source: Semiology of Graphics - Jacques Bertin
Source: Reddit.com
4 - Completely integrate words, numbers, images, diagrams.
Source:Vancouver Map
Source: Carmel Map
Source: Zurich Map
Source: The Hague Map
Source: Paris Bus Map
5 - Thoroughly describe the evidence. Provide a detailedtitle, indicate the authors and sponsors, document the data   sour...
Source: Beautiful Evidence - Edward Tufte
6 - Analytical presentations ultimately stand or falldepending on the quality, relevance and integrity of their           ...
Source: Wikipedia
Other Useful Principles 6 - Interactivity 7 - Personalization / Identification 8 - Aesthetic value
Other Useful Principles        Source: The New York Times
Thanks!    Nicolas Garcia Belmonte@philogb      http://philogb.github.com/
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Principles of Analytical Design - Visually Meetup - Sept. 2011

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Principles of Analytical Design - Visually Meetup - Sept. 2011

  1. 1. Principles of Analytical DesignNicolas Garcia Belmonte - @philogb - Sept. 2011
  2. 2. I use Web Standards to create Data Visualizations.
  3. 3. I’m the author of two JavaScript data visualization frameworks. PhiloGL JavaScript InfoVis Toolkit
  4. 4. Fundamental Principles of Analytical Design (Tufte)1 - Comparisons2 - Causality, mechanism, structure, explanation3 - Multivariate analysis4 - Integration of evidence5 - Documentation6 - Content counts most of all Source: Edward Tufte - Beautiful Evidence
  5. 5. 1 - Show comparisons, contrasts, differences.
  6. 6. Source: Randall Munroe - http://xkcd.com/
  7. 7. Source: Randall Munroe - http://xkcd.com/
  8. 8. Lie Factor“The representation of numbers, as physically measured on the surface of the graphic itself, should be directly proportional to the quantities represented.” Source: Tufte 1991
  9. 9. Lie Factor1985: the line representing 27.5 m/g is 5.3 inches long1978: the line representing 18.0 m/g is 0.6 inches long Lie Factor: 783 / 53 = 14.8! Source: The New York Times
  10. 10. Sometimes it’s useful to emphasize something.
  11. 11. 2 - Show causality, mechanism, explanation, systematic structure.
  12. 12. Source: Semiology ofGraphics - Jacques Bertin
  13. 13. Charles Minard’s data-map describes the successive lossesin men of the French army during the French invasion of Russia in 1812 Source: Edward Tufte - Beautiful Evidence
  14. 14. 3 - Show multivariate data; that is, show more than 1 or 2 variables.
  15. 15. Channel Ranking vs. Data TypeQuantitative Ordinal Nominal Position Position Position Length Density Hue Angle Saturation Texture Slope Hue Connection Area Texture Containment Volume Connection Density Density Containment Saturation Saturation Length Shape Hue Angle Length Texture Slope Angle Connection Area Slope Containment Volume Area Shape Shape VolumeSource: Tamara Munzner. Chapter 27, p 675-707, of Fundamentals of Graphics, Third Edition, by Peter Shirley et al. AK Peters, 2009
  16. 16. Maps for height, hair color and cephalic index distribution Source: Semiology of Graphics - Jacques Bertin
  17. 17. Map for height, hair color and cephalic index distribution Source: Semiology of Graphics - Jacques Bertin
  18. 18. Source: Reddit.com
  19. 19. 4 - Completely integrate words, numbers, images, diagrams.
  20. 20. Source:Vancouver Map
  21. 21. Source: Carmel Map
  22. 22. Source: Zurich Map
  23. 23. Source: The Hague Map
  24. 24. Source: Paris Bus Map
  25. 25. 5 - Thoroughly describe the evidence. Provide a detailedtitle, indicate the authors and sponsors, document the data sources, show complete measurement scales, point out relevant issues.
  26. 26. Source: Beautiful Evidence - Edward Tufte
  27. 27. 6 - Analytical presentations ultimately stand or falldepending on the quality, relevance and integrity of their content.
  28. 28. Source: Wikipedia
  29. 29. Other Useful Principles 6 - Interactivity 7 - Personalization / Identification 8 - Aesthetic value
  30. 30. Other Useful Principles Source: The New York Times
  31. 31. Thanks! Nicolas Garcia Belmonte@philogb http://philogb.github.com/
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