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Author: Subject: Benford's Law - the Magic Weegee
franklyn
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[*] posted on 30-8-2007 at 18:08
Benford's Law - the Magic Weegee

Benford's Law - Huh ?
So what is it ? => http://www.bbc.co.uk/dna/h2g2/A353099
I first became aware of Benford's Law by reading of it in the July 10 , 1999
issue of New Scientist magazine ( reproduced here courtesy of the author )
http://www.fortunecity.com/emachines/e11/86/one.html
An excellent summary of everything known is here _
http://www.lynceangroup.net/BenfordLynceanPresentation.pdf
Application articles _
http://www.rexswain.com/benford.html
____www.intuitor.com/statistics/Benford's Law.html
____www.intuitor.com/statistics/Benford's Law2.html
Both of the following are the same article
http://www.cpa-resource.com/glossary/Benfords_Rule
http://www.hrresource.com/glossary/Benfords_Rule


More on practical application
http://www.systrust.us/pubs/jofa/may1999/nigrini.htm
http://www.ezrstats.com/doc/Auditors_guide_to_Tests_using_Be...
See this software below _ (*)

The mystery of why solved ! ( using Signal Processing )
Read online here _
http://www.dspguide.com/ch34/10.htm
or download - pdf here _
http://www.dspguide.com/CH34.PDF
This author's homepage
http://www.dspguide.com/swsmith.htm


What is DSP
http://www.dsptutor.freeuk.com/intro.htm
Online Java applets
http://www.dsptutor.freeuk.com/index.htm

Intro to Fourier Analysis ( old method as applied to images )
http://cns-alumni.bu.edu/~slehar/fourier/fourier.html

Intro to Wavelet Analysis ( new method )
http://users.rowan.edu/~polikar/WAVELETS/WTtutorial.html

Matlab Fourier tutorial
http://www.mathworks.com/moler/fourier.pdf

Matlab Randomness tutorial
http://www.mathworks.com/moler/random.pdf


Anti-crook Software
(*)
http://www.ezrstats.com/Benford.htm
http://www.ezrstats.com/CS/Case_Studies.htm
http://www.ezrstats.com/SiteMap.htm
Online application and software versions of this are available here _
http://www.ezrstats.com/Downloads.htm
Download software ( full version ) here
( this is huge 32MB and requires scriptbasic - included )
http://www.ezrstats.com/download/EZSWSetup.exe
Screenshots and installation
http://www.ezrstats.com/doc/Internal_Audit_Software.pdf
HTML help file
http://www.ezrstats.com/ezsw.chm

Another program
http://benfordwiz.tripod.com/faqs.htm
http://benfordwiz.tripod.com/help_page.htm
http://members.tripod.com/benfordwiz/help_page.htm#first
Download zip file _
http://dl.winsite.com/bin/downl?1500000035354

Yet another
( Warning this one will automatically install the included Java runtime 6 which is 88 MB )
http://www.checkyourdata.com/index.php

.
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