Title :
Statistical Genetic Interval-Valued Fuzzy Systems with Prediction in Clinical Trials
Author :
Qiu, Yu ; Zhang, Yan-Qing ; Zhao, Yichuan
Author_Institution :
Georgia State Univ., Atlanta
Abstract :
In recent years, statistical tools and computational intelligence methods have played important roles in many areas. After statistically optimizing interval-valued fuzzy membership functions in the type-2 fuzzy logic system (FLS), we continue to apply genetic algorithms (GA) to optimize them. The proposed method is used to predict survival times for patients in clinical trials. The results show that the new GA-based method is more accurate than traditional type-1 and type-2 methods.
Keywords :
fuzzy logic; fuzzy reasoning; fuzzy set theory; genetic algorithms; statistical analysis; clinical trials; computational intelligence methods; genetic algorithms; statistical genetic interval-valued fuzzy systems; statistical tools; type-2 fuzzy logic system; Clinical trials; Computational intelligence; Fuzzy logic; Fuzzy reasoning; Fuzzy sets; Fuzzy systems; Genetic algorithms; Least squares methods; Probability; Uncertainty;
Conference_Titel :
Granular Computing, 2007. GRC 2007. IEEE International Conference on
Conference_Location :
Fremont, CA
Print_ISBN :
978-0-7695-3032-1
DOI :
10.1109/GrC.2007.89