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Knowledge Discovery Process and Methods to Enhance Organizational Performance
book

Knowledge Discovery Process and Methods to Enhance Organizational Performance

by Kweku-Muata Osei-Bryson, Corlane Barclay
March 2015
Intermediate to advanced content levelIntermediate to advanced
404 pages
13h 3m
English
Auerbach Publications
Content preview from Knowledge Discovery Process and Methods to Enhance Organizational Performance
310Kweku-Muata Osei-Bryson
to us that for dierent end users and dierent DT problem instances, there may be
dierent value functions that map the number of leaves to this simplicity measure.
We assume that such a value function could have a continuous, concave piecewise
linear representation. Let F be the set of leaves in the DT, we assume simplicity
SIMPL
Leaf
=f
Leaf
(|F|), where f
Leaf
(|F|) is a concave piecewise linear function (e.g.,
trapezoidal) such that SIMPL
Leaf
(0, 1], with higher values of SIMPL
Leaf
indicat-
ing higher simplicity.
Simplicity Based on Average Chain Length (SIMPL
Rule
)
For a given rule, its length (i.e., number of predictor variables) provides a measure of
the complexity of the rule. erefore, another simplicity measure ...
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Publisher Resources

ISBN: 9781482212365