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Table 1 Friedman ranking of different combinations of feature selection and extraction methods

From: Fuzzy clustering-based feature extraction method for mental task classification

Combination

Ranking

LR_FEWT

1

BD_FEWT

2.4

SR_FEWT

2.95

LR_EWT

4.3

WFS_FEWT

5.25

SR_EWT

5.75

BD_EWT

6.35

WFS_EWT

8