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Table 2 Schema of the matrix obtained after the feature extraction phase

From: Combining EEG signal processing with supervised methods for Alzheimer’s patients classification

Sample

Coefficient (1,1)

Coefficient (E,E·M)

Sample type

sample1

a (1,1)

a (1,E·M)

HC

sample2

a (2,1)

a (2,E·M)

MCI

sample N

a (N,1)

a (N,E·M)

AD

  1. N = number of samples, M = number of coefficients, M+1 = number of features, E = number of electrodes, a = element of the matrix