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Scientific Programming
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2015
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Article
/
Tab 1
/
Research Article
Parallel Framework for Dimensionality Reduction of Large-Scale Datasets
Table 1
Comparison of selected spectral dimensionality reduction methods.
PCA
Isomap
LLE
Parameter
in
K
NN
~
~
Function
Length of the shortest path between
and
in
if
,
otherwise,
where
Normalization
,
,
Note:
is the identity matrix, and
.