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Visual Display of Quantitative Information
Envisioning Information
Visual Explanations
Beautiful Evidence
Seeing With Fresh Eyes
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Data Analysis for Politics and Policy $9
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Meaning, Space, Data, Truth
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Analyzing/Presenting Data/Information
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Graphical timetables

    Edward Tufte, The Visual Display of Quantitative Information, pages 31, 116.

    Edward Tufte, Envisioning Information, page 45.

    Edward Tufte, Envisioning Information, pages 108 and 109.

My design of a bus schedule and route combines a graphical timetable with a route map overlaid on a precisely
detailed aerial photograph, so much richer than the typical schematic diagram of bus routes. Hourly, daily, and
weekly rhythms of the buses are clearly revealed, as well as details of each journey. During rush hours, lines
densely crowd into spaghetti--but then service is so frequent that the jumble of lines informs the rider simply to
show up, for there will be virtually no wait for whatever bus it is that arrives. The gray grid is set at ten-minute
intervals in order to ease visual interpolation of the times of arrival. The aerial photograph unveils the area mostly
at the level of house resolution, that is, with sufficiently fine details to show individual buildings. Indeed, the
reaction of those who live in the area is to explore the photograph, personalizing the data, seeking to discover their
own residence, school, or workplace. Same picture, but many stories.

-- Edward Tufte

Visualizing MBTA data

Mike Barry and Brian Card have used a lovely interactive Marey Diagram to visualize train movements on Boston's MBTA.

-- Chris Pudney (email)

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