You might find these reference useful:
Bardossy, A.; Hagaman, R.; Duckstein, L.; and Bogardi, I., 1992. Fuzzy
least squares regression: theory and application. Fuzzy regression analysis,
Celmins, Aivars, 1987. Least squares model fitting to fuzzy vector
data. Fuzzy Sets and System, 22: 245-269.
Celmins, Aivars, 1987. Multidimensional least-squares fitting of fuzzy
models. Math. Modeling,9: 669-689.
Chang, P.-T.; Lee, E. S.,1994a. Fuzzy linear regression with spreads
unrestricted in sign. Computers & Mathematics with Applications,
Chang, P.-T.; Lee, E. S., 1994b. Fuzzy least absolute
deviations regression based on the ranking of fuzzy numbers. IEEE
International Conference on Fuzzy Systems Proceedings of the 3rd
IEEE Conference on Fuzzy Systems. Part 2, 2: 1365-1369.
Chang, P.T.; Lee, E.S., 1996. A Generalized fuzzy weighted least-
squares regression. Fuzzy Sets and Systems, 82(3): 289.
Diamond, P., 1987. Least squares fitting of several fuzzy variables.
The 2nd IFSA Congress, Tokyo, 329-331.
Diamond, P., 1988. Fuzzy least squares. Information Science, 46: 141-157.
> My research involves modelling of experimental pharmacokinetic data
> and so far all such data are being described by statistical
> regression. I would like to model my data using fuzzy regression, as
> this seems a practical approach.
> Due to the nature of my experiments I usually could take only up to
> 8 or 10 samples, which sometimes may lead to errors in the
> estimated regression coefficients. These errors will certainly be
> smaller if the coefficients are fuzzy numbers, accounting for the
> existing uncertainty.
> Is there a software or an algorithm for fuzzy regression available?
> Any comments/advices are welcome!
> Thanks in advance.
> Ivelina Gueorguieva
> PhD student
> Centre for Pharmacokinetic Research
> School of Pharmacy and Pharmaceutical Sciences
> The University of Manchester
> Oxford Road
> Manchester M13 9PL
> United Kingdom
> E-mail: email@example.com
This message was posted through the fuzzy mailing list.
(1) To subscribe to this mailing list, send a message body of
"SUB FUZZY-MAIL myFirstName mySurname" to firstname.lastname@example.org
(2) To unsubscribe from this mailing list, send a message body of
"UNSUB FUZZY-MAIL" or "UNSUB FUZZY-MAIL email@example.com"
(3) To reach the human who maintains the list, send mail to
(4) WWW access and other information on Fuzzy Sets and Logic see
(5) WWW archive: http://www.dbai.tuwien.ac.at/marchives/fuzzy-mail/index.html
This archive was generated by hypermail 2b30 : Fri Mar 09 2001 - 23:48:58 MET