Re: Help. Fuzzy logic is over my head.

Richard F Ulrich (
Fri, 24 May 1996 14:32:53 +0200

Paul A. Delaney ( wrote:
: Scientific American had a pretty thorough, non-algebraic description
: of fuzzy logic some time in 1995 (or was it 1994?) most talking about
: how it's used in trains and home appliances.

Also, in the last few months or so:
_Chance_ had a nice discussion of fuzzy logic, for the benefit of
statisticians. The author pointed out that there was essentially
nothing that has *SO FAR* been achieved by fuzzy logic -
mathematically speaking - that could not be obtained much more
directly by conventional methods, e.g., regression, .... Where
Fuzzy Logic has succeeded brilliantly is in salesmanship, i.e.,

- If there is more than that going on, I will be interested to
hear of it.

The article pointed out that engineers are frequently given abysmal
educations in statistical matters, so they do not recognize that
there HAS to be some intelligible model inside of the Black Box.

Also, I recommend Michael Smithson's _Ignorance & Uncertainty_
(Books in Print alphabetized under "_Ignorance &" , using ampersand,
PLUS it mis-spelled the author's name - but it is a fairly recent
book, so it still should exist).

Rich Ulrich, biostatistician
Western Psychiatric Inst. and Clinic Univ. of Pittsburgh