David Kantor wrote:
>>It has some resemblance to that iconic picture that appeared as a New
Yorker cover -- with 9th and 10th Avenue in the foreground, then the
Hudson River, then the rest of the US, then the Pacific Ocean and
Japan off in the distance.<<
Yes, that's because, grossly speaking, human perceptual systems are logarithmic. There's a classic study by Roger Shepard (inventor of nonmetric multidimensional scaling) that shows this. New Yorkers may be particularly narcissistic but it's a general property.
Jay
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/