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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
Selecting Classiers for an Ensemble337
EM
j
incorrectly predicts observation “i.” It should be noted that w
rj
>0 indicates
that base classier “r” is included in ensemble EM
j
.
FWA Model
e FWA model involves the averaging of the posterior probabilities of each con-
stituent base classier of the ensemble. Let ρ
ijr
be the posterior probability that base
classier “r” assigns to the actual class of observation “i” of EL
j
. Another approach
to selecting the set of base classiers to include in the EM
j
involves solving the fol-
lowing mixed IP problem:
Min
iIj
y
ij
such that
3.2.3a:
rR
(ρ
ijr(*)
ρ
ijr(c)
)w
rj
+ y
ij
0 i EL
j
, c (Cc
(i)
)
3.2.3b:
rR
w
rj
= 1
3.2.3c: w
rj
0 r R
3.2.3d: y
ij
{0, 1} i EL
j
where ρ
ijr(*)
is the posterior ...
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Publisher Resources

ISBN: 9781482212365