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Four types

Four types. Data maps (17-19, Tufte , also History of the World in 100 Seconds ) Time series Narrative graphics of space and time (next slide) Relational graphics (47 & 50, Tufte ). 6 Principles of Graphical Excellence Napoleon’s March : The Greatest Graphic of All Time.

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Four types

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  1. Four types • Data maps (17-19, Tufte, also History of the World in 100 Seconds) • Time series • Narrative graphics of space and time (next slide) • Relational graphics (47 & 50, Tufte)

  2. 6 Principles of Graphical ExcellenceNapoleon’s March: The Greatest Graphic of All Time • GE is the well-designed presentation of interesting data – a matter of substance, of statistics, and design. • GE consists of complex ideas communicated with clarity, precision, and efficiency • GE is that which gives the viewer the greatest number of ideas in the shortest time with the least ink in the smallest space. • GE is nearly always multivariate. • Requires telling the truth about the data.

  3. Six principles of graphic integrity • The representation of numbers, as physically measured on the surface of the graphic itself, should be directly proportional to the numerical qualities represented. • Clear, detailed and thorough labeling should be used to defeat graphical distortion and ambiguity. Write out explanations of the data on the graphic itself. Label important events in the data. • Show data variation, not design variation. • In time-series displays of money, deflated and standardized units of monetary measurement are nearly always better than nominal units. • The number of information-carrying (variable) dimensions depicted should not exceed the number of dimensions in the data. • Graphics must not quote data out of context.

  4. Data Visualization • Who Rules America? • From Wisconsin to Planned Parenthood, it comes down to this: the top 1% of the country controls 34% of the wealth--and the top 20%, a whopping 85%. That leaves 80%--the rest of us--to fight with each other for the table scraps of the remaining 15%, in jobs for companies whose execs earn several hundred times more than their average employee. This isn't rich versus poor. 'Versus' suggests a contest. There is none.

  5. The myth of the American middle class (we're all middle class and could be millionaires at any minute) is like a gigantic pair of collective cultural beer goggles that we can't seem to take off. To put those numbers in beer terms. You host a party with a hundred guests, and you have 100 bottles of beer. • To one guest, you give 35 of the beers. • To the next 19, you let them divvy up another 50, a little better than 2 beers a person (assuming equal distribution). • That leaves 15 beers split amongst 80 people. • Again assuming equal distribution of 12oz bottles, that's about 2 and a quarter *ounces* of beer. Per guest. • Good thing you bought the little mouthwashed-sized cups.

  6. Scavenger hunt

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