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Table 1 Classification results of Stage I of FIDF

From: Brain response pattern identification of fMRI data using a particle swarm optimization-based approach

Stage I

WFS

SFS

SBS

PSO–SVM

HHPSO–SVM

Mean

SD

Mean

SD

Mean

SD

Mean

SD

Mean

SD

Sbj 1

0.875

0.191

0.693

0.153

0.875

0.190

0.819

0.130

0.885

0.099

Sbj 2

0.708

0.106

0.517

0.140

0.708

0.106

0.623

0.141

0.696

0.143

Sbj 3

0.864

0.148

0.686

0.161

0.865

0.148

0.792

0.140

0.874

0.118

Sbj 4

0.677

0.148

0.560

0.150

0.677

0.148

0.676

0.155

0.708

0.186

Sbj 5

0.705

0.312

0.568

0.202

0.685

0.323

0.562

0.270

0.614

0.270

Sbj 6

0.875

0.125

0.684

0.180

0.875

0.125

0.805

0.122

0.852

0.104

  1. The classification accuracy and standard deviations of WFS without feature selection, SFS sequential forward feature selection, SBS sequential backward feature selection, PSO–SVM and HHPSO–SVM were calculated for subject 1 to subject 6