August 29, 2002
Statistical analysis of spam

Lars is looking into statistical analysis of spam. He has a corpus of some 2000 messages filtered by Spam Assassin the last couple of months, and I am sharing data for my own corpus of similar size.

Other similar investigations & rants:

(source: Corante: The Silver Bullet to Kill Spam)

Update: Lars has published the first results of his investigations.

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According to discusstions on the SpamAssassin list, it appears that the next release of SpamAssassin (2.4) will have Bayesian filtering.

Posted by: Adam Kalsey on August 30, 2002 07:38 AM

The URLs to read more about Lars' work are:
http://www.ludvig.no/blog/archives/2002/08/statistical_analysis_of_spam_part_i.html
http://www.ludvig.no/blog/archives/2002/09/statistical_analysis_of_spam_part_ii.html
http://www.ludvig.no/blog/archives/2002/09/statistical_analysis_of_spam_part_iii.html

Posted by: andersja on September 3, 2002 10:36 PM

SpamWeed is a very effective anti-spam filter.

Posted by: L.B.S. on May 22, 2003 02:29 PM
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myBlog by Lars: Statistical Analysis of Spam - Part I (August 29, 2002 09:11 PM)
"As Anders pointed out earlier today I have been working on analysing spam statistically. I made a brief introduction to"
myBlog by Lars: Statistical Analysis of Spam - Part II (September 2, 2002 05:51 PM)
"Just after finishing my last piece on this topic (Statistical Analysis of Spam - Part I) I recieved a list of some 1900 X-Spam-Status lines from Anders. Inserting this into Minitab I expected to get two graphs looking more or less similar to eachother...."
myBlog by Lars: Statistical Analysis of Spam - Part III (September 3, 2002 07:10 PM)
"Once more it is time to study the statistical aspects of spam. In part II I commented on the differences in two independent sets of spam. Today I will try to be slightly more scientific. Just by looking at the histograms in the previous posting it is e..."

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