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To: OGM who wrote (13680)7/13/1999 3:51:00 AM
From: Chip Anderson  Read Replies (1) of 16960
 
Re: Annual Report Charts -

In his book "The Visual Display of Quantitative Information", Edward Tufte shows a chart titled "Age Structure of College Enrollment" (p.118). The vertical axis is labeled "Percent of Total Enrollment". The horizontal axis consists of the years 1972-1976. There are two colorful, curving, 3-D histograms drawn on the chart - one for people under 25 (in red), the other for people over 25 (in yellow). The z-axis is meaningless. As you might suspect, the histograms are mirror images of each other.

Tufte's comments:
"A series of weird three-dimensional displays appearing in the magazine American Education in the 1970s delighted connoisseurs of the graphically preposterous. Here five colors report, almost by happenstance, only five data pieces of data (since the division within each year adds to 100 percent). This may well be the worst graphic ever to find its way into print."

Hmmmmmmmm...

Chip
stockcharts.com
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