ELIMINATINGCHARTJUNK
“   Above all else, show the data.                       Edward Tu e                                     ”
Photograph: Buzz Anderson
Source: Kouchoukos et al., The New England Journal of Medicine, 1994
“   You cant possibly communicate big data accurately                                    ”    if you cant handle small dat...
Never, ever use pie charts.
“   [Piecharts] have no place in the world of grownups,    and occupy the same semiotic space as short pants,             ...
Oil           Hydro      Percentage of the USA’s power supply                                                             ...
Bar charts are better,but still can be tricky.
50 37.5                                    Percentage of the USA’s power supply   25 12.5     0Source: U.S. Department of ...
3-D charts are irredeemably terrible.
“   3-D is a waste of a perfectly good dimension.                                      Roger Ebert                        ...
TURN A BORING BAR GRAPH INTO A 3D MASTERPIECE!
Renewable water resources, by country     Brazil    Russia  Canada      USA    China      IndiaColumbia      Peru     Zair...
Renewable water resources, by country                     0                                      2,000                    ...
Chartjunk refers to all visual elements in chartsand graphs that are not necessary to comprehendthe information represente...
data : ink
“   Data-ink is the non-erasable core of a graphic,    the non-redundant ink arranged in response    to variation in the n...
Installed wind capacity in the United States                            10000                                    9,403Wind...
Installed wind capacity (megawa s)      10,000         7,500        5,000         2,500                 0         Texas   ...
“   Dark grid lines are chartjunk. They carry no information,    clu er up the graphic, and generate graphic activity    u...
“   Furthermore, of all methods for analyzing and communicating    statistical information, well-designed data graphics ar...
April 6Prepare 5 slides that you intend to use inyour Pecha Kucha presentation, and bring themto class for informal discus...
April 6Jeffrey FalkAssistant Director, University News Service
April 20Have dra versions of your Pecha Kuchapresentations ready to deliver in practice runs(to an audience of one or two ...
GEOG8260.10, Eliminating chartjunk
GEOG8260.10, Eliminating chartjunk
GEOG8260.10, Eliminating chartjunk
GEOG8260.10, Eliminating chartjunk
GEOG8260.10, Eliminating chartjunk
GEOG8260.10, Eliminating chartjunk
GEOG8260.10, Eliminating chartjunk
GEOG8260.10, Eliminating chartjunk
GEOG8260.10, Eliminating chartjunk
GEOG8260.10, Eliminating chartjunk
GEOG8260.10, Eliminating chartjunk
GEOG8260.10, Eliminating chartjunk
GEOG8260.10, Eliminating chartjunk
GEOG8260.10, Eliminating chartjunk
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GEOG8260.10, Eliminating chartjunk

  1. 1. ELIMINATINGCHARTJUNK
  2. 2. “ Above all else, show the data. Edward Tu e ”
  3. 3. Photograph: Buzz Anderson
  4. 4. Source: Kouchoukos et al., The New England Journal of Medicine, 1994
  5. 5. “ You cant possibly communicate big data accurately ” if you cant handle small data first. Naomi Robbins
  6. 6. Never, ever use pie charts.
  7. 7. “ [Piecharts] have no place in the world of grownups, and occupy the same semiotic space as short pants, ” a runny nose, and chocolate smeared on one’s face. Coda Hale
  8. 8. Oil Hydro Percentage of the USA’s power supply Other Natural gas Coal NuclearSource: U.S. Department of Energy
  9. 9. Bar charts are better,but still can be tricky.
  10. 10. 50 37.5 Percentage of the USA’s power supply 25 12.5 0Source: U.S. Department of Energy
  11. 11. 3-D charts are irredeemably terrible.
  12. 12. “ 3-D is a waste of a perfectly good dimension. Roger Ebert ”
  13. 13. TURN A BORING BAR GRAPH INTO A 3D MASTERPIECE!
  14. 14. Renewable water resources, by country Brazil Russia Canada USA China IndiaColumbia Peru Zaire 0 2,000 4,000 6,000Source: Shiklomanov and Rodda, 2003 km3/y
  15. 15. Renewable water resources, by country 0 2,000 4,000 6,000 km3/yBrazilRussiaCanada USA China IndiaColumbia Peru ZaireSource: Shiklomanov and Rodda, 2003
  16. 16. Chartjunk refers to all visual elements in chartsand graphs that are not necessary to comprehendthe information represented on the graph,or that distract the viewer from this information
  17. 17. data : ink
  18. 18. “ Data-ink is the non-erasable core of a graphic, the non-redundant ink arranged in response to variation in the numbers represented. Edward Tu e ”
  19. 19. Installed wind capacity in the United States 10000 9,403Wind energy capacity (MW) 7500 5000 3,604 2500 2,798 1,849 1,810 1,758 1,557 1,274 1,244 1,203 0 as a a n ta n ois ork ado ta Iow rni gto ego eso ko Tex Illin wY lor lifo Da n Or nn shi Co Ne Ca Mi rth Wa No StateArt of Scientific Presentations, March 31, 2011
  20. 20. Installed wind capacity (megawa s) 10,000 7,500 5,000 2,500 0 Texas Iowa California Washington Minnesota Oregon Illinois New York Colorado North DakotaSource: American Wind Energy Association
  21. 21. “ Dark grid lines are chartjunk. They carry no information, clu er up the graphic, and generate graphic activity unrelated to data information. ” Edward Tu e
  22. 22. “ Furthermore, of all methods for analyzing and communicating statistical information, well-designed data graphics are usually ” the simplest and at the same time the most powerful. Edward Tu e
  23. 23. April 6Prepare 5 slides that you intend to use inyour Pecha Kucha presentation, and bring themto class for informal discussion.
  24. 24. April 6Jeffrey FalkAssistant Director, University News Service
  25. 25. April 20Have dra versions of your Pecha Kuchapresentations ready to deliver in practice runs(to an audience of one or two partners).
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