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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5.4 A Fuzzy Knowledge Base: The Details
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113
Grade of membership m(x)
Dollars (x1000)
0
1.0
Less1 Mean More1 More2PB1
Project_Budget
Figure 5.12 A statistical partitioning of the Project_Budget variable.
to the left and right of the mean fuzzy set. The width of these new fuzzy
sets can also be some fraction or ratio-biased proportion of the standard
deviation. More advanced statistical partitioning techniques also take into
account the skew (symmetry) and kurtosis (flatness) of the distribution.
5.4 A Fuzzy Knowledge Base: The Details
As we noted in the introduction, a collection of variables, fuzzy sets, and
fuzzy rules is called a knowledge base (or KB). ...
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