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Table 4 Separation index as a measure of OPTICS robustness

From: Density-based clustering of static and dynamic functional MRI connectivity features obtained from subjects with cognitive impairment

 

Group-wise value of separation index

Mean

Control

EMCI

LMCI

AD

SFC

3.2914

3.6381

3.1946

3.2487

3.3432

DFC

4.4227

3.8152

3.4321

4.1152

3.9463

  1. Higher value indicates better performance