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Schema of the matrix obtained after the feature extraction phase
| 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 |
N = number of samples, M = number of coefficients, M+1 = number of features, E = number of electrodes, a = element of the matrix
