The document discusses effective strategies for communicating data through visualizations. It identifies three common data scenarios - strategic, analytical, and operational - and provides examples of visualizations that work best for each scenario. Key recommendations include keeping visualizations simple, using labels and context to ensure understandability, and designing for the limitations of human memory and cognition.
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Effective Communication Of Data Inspired by Stephen Few
1. Effective Communication of Data from “Information Dashboard Design” * by Cory Grenier GSM Lecture series * Few, Stephen . Information Dashboard Design: The Effective Visual Communication of Data . O’Reilly 2006.
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6. Waterfall Charts deliver Clear pictures avoid expanding more than ten variables, and label data!
7. US Electricity Costs have risen 500%+ since 1973 ( nominal cents pr Kilowatt hour ) Av. Retail Prices of Electricity Time Series provide Rich Context start from
8. ThinkCentre A62 AMD Aug Nov ThinkCentre M58/M58p Intel Oct Qitian E Atom Timelines don’t have to be Complex
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11. Tables do display Quantitative Comparisons Items PC 1 PC 2 PC 3 Form Factor USFF Yes Yes No Green Power Manager Yes No No Greenguard certification Yes No No EPEAT Gold with 20 score Yes No No Security Hardware password manageability* yes No No I/O individual disable Yes No No Manageability Software Preloaded Best with TVT Good Good Standard Model vPro Yes $20 premium Yes Lowest cost Manageable Solution with SMC** yes No No Quality 8KV ESD on Front I/O Yes No No Design Toolless design motherboard on SFF Yes** No No USFF 1 PCI + 8 USB on USFF yes No No USFF New Technology DDR3 Yes No No Displayport yes Yes Yes Blu-ray ODD/SSD yes No No Blu-ray
12. US uses less than 1% of Wind or Solar Energy EIA Report 2008 US Energy Usage by Resource Bar Charts Do display Quantitative Data Well
15. Consistent Templates Save Time and Energy Weekly BU Financial Snapshot Q4 Wk 50 $14.0 (4) $46.4M -$4M -$4.9M -$15.7M Fcst PTI +3M +1.1M -$11M -1.7% -0.2% India +$7.7M +$0.8M +$0.7M +$2.0M PTI vs Budget S&P 0.0% -0.4% +0.6% -0.5% CA YTY Market Share +$1M -$7M +0.2% EMEA -0.0% Rev YTY 0.0% -0.4% -$12.7M vs Budget PTI -$35M -$2M Service PTI vs Budget -$0.4M +$1.6M +$1M Initiative USA China WW Fcst PTI vs. Budget -$3 M Fcst PTI vs. Budget - 23.6%
16. ‘ Drill Down’ into the Data Add a Hyperlink to slides with more detail
17. Single-screen snapshot enables people to see inter-relations of the business. Understandable at a Glance “ Simultaneity of vision” – Stephen Few
18. US Energy Imports/exports ‘73–‘07 EIA Report 2008 Snapshot U.S. Oil Prices Million Barrels of Oil per Day (US) Av. Retail Electricity Price ( nominal cents pr Kilowatt hour )
19. US Power Pool Sub-Regions Show and Encode Data on a single Screen
23. Data is not always a Metric Top 12 Green Companies with Power Partnerships List
24. Design for Memory Access We don’t see with eyes , but with our brains Short-term memory holds nine ‘chunks’ of information
25. Price Band Analysis 0-4,000RMB RMB 5999 MKT size growing quickly, tripling in last 3 months & will be bigger by 2009 Source: GFK Sep Research Too many Data chunks confuse the audience
26. In $K Pie Charts don’t display Quantitative Data Well Avoid Legends
27. Brand Oriented Entertainment Business SMB Consumer Large Enterprise Customer Segment Avoid using Circles to represent Quantitative Data
28. Our share Market share Circles require Real numeric# Values for accurate comparison ? ? ?
32. REFERENCES Few, Stephen . Information Dashboard Design: The Effective Visual Communication of Data . O’Reilly 2006. http://thomas-fletcher.com/friendwheel / Copyright 2007 Thomas Fletcher