After chasing a few pointers you end up at this post which defines weighted density: http://austinzoning.typepad.com/austincontrarian/2008/03/perceived-densi.ht

After chasing a few pointers you end up at this post which defines weighted density: http://austinzoning.typepad.com/austincontrarian/2008/03/perceived-densi.html http://austinzoning.typepad.com/austincontrarian/2008/03/per... I agree that it looks like a much more useful statistic than ordinary density, and is relatively insensitive to arbitrary inclusion / exclusion decisions of outlying areas like the grandparent complains about. Thanks for linking that site.