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November 15, 2005

How to hide your point with a bad presentation of data

The Big Picture has a neat graph on the returns of US corporate bonds for the last 200 years. Unfortunately, interesting as the chart is, the aspect ratio doesn't make any sense. The scale is set to show return over getting your $100 back, so it shows a range from 0 to about 120. The data exists only in the band 5 to 15%. This combined with chart junk and low resolution image makes it impossible to get much out of the chart.

Posted by OneEyedMan at November 15, 2005 3:23 PM

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