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Table 3 The proposed driving behavior features

From: Feature selection for driving fatigue characterization and detection using visual- and signal-based sensors

Id Features Outward phase Return phase t test
Mean Std Mean Std p value
\(F_{18}\) Mean (speed) 95.591 4.603 93.386 7.428 0.041
\(F_{19}\) MaxFFT (speed) 132.813 35.179 168.795 43.354 5.28e−07
\(F_{20}\) Skewness (speed) − 2.042 0.473 − 1.822 0.618 0.022
\(F_{21}\) Number of peaks 9.731 2.171 10.925 2.59 0.004
\(F_{22}\) STD peaks extent 19.56 10.37 16.309 7.801 0.042