I think it's that the 'average' wave is a glassy smooth sea... Statistics seems to depart from reality, for the convenience of science.
Phil Henshaw ¸¸¸¸.·´ ¯ `·.¸¸¸¸ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 680 Ft. Washington Ave NY NY 10040 tel: 212-795-4844 e-mail: [EMAIL PROTECTED] explorations: www.synapse9.com > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Marcus G. Daniels > Sent: Friday, February 15, 2008 11:19 AM > To: The Friday Morning Applied Complexity Coffee Group > Subject: Re: [FRIAM] FW: National Science Foundation Update > DailyDigest Bulletin > > > Nicholas Thompson wrote: > > I am too dumb to know the degree to which I am being kidded here. > > Please explain.. > Suppose 100 people give 999 responses to yes/no questions and all of > them answer by flipping a coin. A final answer correctly answers the > question "Are your eyes blue?" Just by chance, amongst those > 999 coin > flips some can be weakly correlated to the eye color question > and linear > combinations of them may turn out to be even more correlated > (as there > are more bits for encoding, bogus covariation though it is). So > sometimes there is a need to generalize or `regularize' high > dimensional > data to reduce overfitting. A simulation is potentially one > way to do > regularization. Another example is using an `average face' for face > recognition: > http://www.sciencemag.org/cgi/content/abstract/319/5862/435 > > > > ----- Original Message ----- > *From:* Douglas Roberts <mailto:[EMAIL PROTECTED]> > *To: [EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>;The Friday Morning Applied > Complexity Coffee Group <mailto:friam@redfish.com> > *Sent:* 2/15/2008 8:41:18 AM > *Subject:* Re: [FRIAM] FW: National Science Foundation Update > Daily Digest Bulletin > > Run that lousy data through a simulation, and then publish the > results as truth. > > Works every time! > > --Doug > ============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College lectures, archives, unsubscribe, maps at http://www.friam.org ============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College lectures, archives, unsubscribe, maps at http://www.friam.org
