Re: [R] Spammer radhi

2012-12-24 Thread Rui Barradas
Hello, I believe that today's spam filters already use statistical tools, namely, non-parametric bayesian methods. This would mean that they can adapt to known attacks but are useless against new ones. Merry Christmas, Rui Barradas Em 24-12-2012 15:57, Ben Bolker escreveu: Arun Kumar Saha

Re: [R] Spammer radhi

2012-12-24 Thread Ben Bolker
Arun Kumar Saha gmail.com> writes: > > Can the Statisticians here develop some good Statistical tool to stop this > Spamming keeping Type-I error almost zero? As Bruce Schneier (surely among others) has pointed out, the difference between security against natural risks (analogous to most stat

Re: [R] Spammer radhi

2012-12-24 Thread Arun Kumar Saha
Can the Statisticians here develop some good Statistical tool to stop this Spamming keeping Type-I error almost zero? Thanks and regards, _ Arun Kumar Saha, FRM QUANTITATIVE RISK AND HEDGE CONSULTING SPECIALIST Visit me at: http://in.linkedin.co

Re: [R] Spammer radhi

2012-12-24 Thread Martin Maechler
> Duncan Murdoch > on Sun, 23 Dec 2012 13:59:08 -0500 writes: > On 23/12/2012 1:46 PM, Rui Barradas wrote: >> This happened two or three weeks ago and it's happening >> again. Spammers are using Nabble to attack R-Help. indeed. What a bad way to misuse Christmas holiday

Re: [R] Spammer radhi

2012-12-23 Thread Duncan Murdoch
On 23/12/2012 1:46 PM, Rui Barradas wrote: This happened two or three weeks ago and it's happening again. Spammers are using Nabble to attack R-Help. The psts are signed radhi and the posts' titles are taken from previous posts and therefore seem authentic but all messages end with "click here".