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Vincent Granville's Blog – January 2009 Archive (2)

Click fraud reaches record high in Q4 2008

Click fraud is at its highest rate ever, new research shows. The average click fraud rate for paid search advertisers reached a record 17.1% in the fourth quarter, up from 16% for the third quarter and 16.6% for Q4 of 2007, web traffic quality auditor Click Forensics Inc. reports.



Click fraud traffic from botnets, robotic software that automatically clicks on ads, increased 14% for the quarter—the second highest jump ever, Click Forensics says. Botnets were responsible for 31.4% of… Continue

Added by Vincent Granville on January 29, 2009 at 8:30pm — No Comments

Article about R in NY Times

R first appeared in 1996, when the statistics professors Robert Gentleman, left, and Ross Ihaka released the code as a free software package.



By ASHLEE VANCE

Published: January 6, 2009



To some people R is just the 18th letter of the alphabet. To others, it’s the rating on racy movies, a measure of an attic’s insulation or what pirates in movies say.



R is also the name of a popular programming language used by a growing number of data analysts inside… Continue

Added by Vincent Granville on January 7, 2009 at 11:00am — No Comments

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