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Benford's Law and Zipf's Law.
With the view to the eerie but uniform distribution of digits of randomly selected numbers, it comes as a great surprise that, if the numbers under investigation are not entirely random but somehow socially or naturally related, the distribution of the first digit is not uniform.
http://www.cut-the-knot.com/do_you_know/zi...
Benford's Law
The audit technology is now known as Digital Analysis (DA). It tests for abnormalities in the digit patterns and abnormal number duplication in corporate data.
http://www.fm.co.za/97/1010/toptail/letta....
Geometrical Interpretation and Generation of Benford Sets
A new approach to Benford's Law, with software and datasets.
http://www.geocities.com/timeparadox/elmuh...
BenfordWiz
Software which produces and analyses Benford Sets. Hexagonal and Octagonal numbers are also included in the data sets.
http://www.members.tripod.com/benfordwiz/
Following Benford's Law, or Looking Out for No.1
Dr.Theodore P. Hill asks his mathematics students at the Georgia Institute of Technology to go home and either flip a coin 200 times and record the results, or merely pretend to flip a coin and fake 200 results.
http://www.math.yorku.ca/Who/Faculty/Brett...
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2006