February 2005
Beginner to intermediate
540 pages
14h 9m
English
Content preview from Fuzzy Modeling and Genetic Algorithms for Data Mining and Exploration
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Chapter 5 Fundamental Concepts of Fuzzy Systems
The maximization approach, shown in Expression 5.8, in effect takes the
union (logical-Or) of the outcome and correlated consequent fuzzy sets.
μ
O
[x
i
]=
N
∀
i=0
max(μ
O
[x
i
], μ
A
[x
i
]) (5.8)
Aggregation is the actual heart of the fuzzy inference engine. Through this
process the evidence from each rule is collected and properly applied to
the outcome variable. Because every rule in the KB must be run before
all evidence is collected, the inference engine, in effect, runs all rules in
parallel.
➍ Defuzzification
Defuzzification (the process of reduction) produces a single scalar result
from the final outcome fuzzy ...
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