-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of John Williams Sent: Thursday, July 09, 2009 11:48 PM To: Killer Bs (David Brin et al) Discussion Subject: Re: Google Operating System
On Thu, Jul 9, 2009 at 9:11 PM, Doug Pensinger<[email protected]> wrote: > I'd estimate the efficiency of my gmail filter is 99% or better. That is a particularly uninformative statistic. Much more interesting would be two figures: probability of false positives ( number of real marked as spam / number of real), and probability of false negatives (number spam passed as real / number of spam). Reply: I get no more than 1 in 500 false positives. I get no more than 1 in 1000 false negatives. It was more than that early on in my use of Gmail, I got one account in 2004, IIRC, and another in 2007. The more recent one, most of the false positives were from one mailing list which is now defunct (as it has been replaced with a system that works better for most of the people involved than that mailing list ever did). YMMV. Julia _______________________________________________ http://mccmedia.com/mailman/listinfo/brin-l_mccmedia.com
