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. 2020 Dec 24;20(Suppl 12):326. doi: 10.1186/s12911-020-01309-5

Table 4.

Overview of the feature space inputs to XGBOOST

Feature name Number of columns in feature space
Power Spectral Intensity 10 channels × 8 scalars
Petrosian Fractal Dimension 10 channels × 1 scalar
Higuchi Fractal Dimension 10 channels × 1 scalars
Hjorth Mobility and Complexity 10 channels × 2 scalar
SVD Entropy 10 channels × 2 scalar
Spectral Entropy 10 channels × 1 scalar
Fisher Information 10 channels × 1 scalar
Detrended Fluctuation Analysis 10 channels × 1 scalar
Hurst Exponent 10 channels × 1 scalar
Total 180 features