Table 4.

Feature ranking. Top 40 features for different L using the algorithm FS 3.

L	FS 3
30	mean, HF, LF, ApEnmax, TP, std, mean(t,s), VLF, TSMRE6, TSMRE5, TSMRE7, TSMRE8, TSMRE4, TSMRE9, TSMRE10, TSMRE3, TSMRE2, ApEn, ECM, normalize LF, ESVD, var S, SBE1, TSMRE1, LF/HF, max S, SBE4, FuzEn, TSMRE12, normalize HF, SBE5, SBE8, TSMRE27, TSMRE11, SampEn, AR coefficients 1, TSMRE26, TSMRE28, SBE7, TSMRE25.
60	mean, ApEnmax, TSMRE1, HF, ESVD, ECM, AR coefficients 1, TSMRE2, TSMRE19, TSMRE16, mean(t,s), TSMRE18, SBE1, TSMRE17, LF, RE(t,s), var S, $\max \mathbf{S}$, TP, TSMRE20, normalize LF, TSMRE15, VLF, SBE5, std, TSMRE14, TSMRE21, normalize HF, std(t,s), LF/HF, TSMRE22, TSMRE25, TSMRE4, TSMRE24, SBE2, TSMRE23, SampEn, rmax, SBE8, TSMRE13.
90	mean, ApEnmax, TSMRE2, TSMRE3, AR coefficients 1, ECM, first ZC, ESVD, HF, SBE1, normalize LF, LF/HF, SBE5, normalize HF, mean(t,s), TSMRE26, TSMRE30, TSMRE25, TSMRE27, TSMRE28, TSMRE29, TSMRE31, VLF, TSMRE23, LF, TSMRE24, TSMRE32, TSMRE21, std(t,s), TSMRE22, TSMRE20, TP, $\max \mathbf{S}$, TSMRE4, first AC min, std, AR coefficients 2, AR coefficients 4, TSMRE3, RE(t,s), DispEn.
120	mean, ApEnmax, TSMRE1, TSMRE2, first ZC, AR coefficients 1, ECM, SBE1, ESVD, SBE5, HF, first AC min, normalize LF, AR coefficients 4, mean(t,s), TSMRE32, normalize HF, LF/HF, AR coefficients 2, TSMRE30, TSMRE3, SBE8, TSMRE31, VLF, TSMRE4, DispEn, LF, TSMRE22, TSMRE5, SBE2, TSMRE28, TSMRE29, TP, TSMRE26, std, rmax, TSMRE20, ApEn, TSMRE24, TSMRE18.
150	mean, ApEnmax, TSMRE1, first ZC, TSMRE2, AR coefficients 1, AR coefficients 4, first AC min, normalize LF, LF/HF, ESVD, SBE1, SBE5, AR coefficients 2, normalize HF, ECM, TSMRE3, HF, LF, mean(t,s), TSMRE5, TSMRE4, SBE8, TSMRE32, SBE2, TSMRE31, rmax, VLF, TSMRE28, TSMRE29, TSMRE30, TSMRE26, SampEn, DispEn, TSMRE22, LZ of AC, TSMRE24, TSMRE20, TP, TSMRE19.
180	mean, ApEnmax, TSMRE1, first ZC, TSMRE2, AR coefficients 1, AR coefficients 4, first AC min, SBE5, AR coefficients 2, normalize LF, ESVD, SBE1, ECM, normalize HF, LF/HF, TSMRE3, HF, SBE8, mean(t,s), TSMRE4, VLF, LF, DispEn, TSMRE30, TSMRE32, SBE2, TSMRE5, TSMRE31, rmax, SBE4, ApEn, TSMRE28, TSMRE27, TSMRE29, LZ of AC, TSMRE7, TSMRE6, TSMRE25, SampEn, TSMRE26.
210	mean, ApEnmax, TSMRE1, first ZC, TSMRE2, AR coefficients 1, AR coefficients 4, first AC min, AR coefficients 2, SBE5, normalize LF, SBE1, LF/HF, normalize HF, ESVD, LZ of AC, ECM, TSMRE3, SBE8, HF, TSMRE32, TSMRE4, TSMRE5, LF, SBE4, SampEn, DispEn, mean(t,s), VLF, LZ, TSMRE6, TSMRE7, SBE6, TSMRE30, TSMRE31, SBE2, rmax, ApEn, SBE7, TSMRE29.
240	mean, ApEnmax, TSMRE1, first ZC, AR coefficients 4, first AC min, TSMRE2, AR coefficients 1, AR coefficients 2, SBE5, normalize LF, ESVD, SBE1, LF/HF, HF, normalize HF, ECM, TSMRE3, LZ of AC, DispEn, SBE8, TSMRE32, mean(t,s), TSMRE4, VLF, SBE2, TSMRE31, LF, ApEn, TSMRE5, SBE4, rmax, LZ, TSMRE29, SBE6, TSMRE30, TSMRE7, SampEn, TSMRE6, TSMRE19.
270	mean, ApEnmax, TSMRE1, first ZC, AR coefficients 4, AR coefficients 1, TSMRE2, first AC min, AR coefficients 2, SBE5, LZ of AC, normalize LF, LF/HF, normalize HF, SBE8, SBE1, ESVD, TSMRE3, HF, DispEn, ECM, TSMRE4, SBE4, TSMRE32, TSMRE5, LZ, SBE6, mean(t,s), SBE2, TSMRE31, LF, TSMRE7, ApEn, VLF, SampEn, TSMRE30, rmax, TSMRE6, SBE7, TSMRE8.
300	mean, TSMRE1, ApEnmax, first ZC, AR coefficients 4, AR coefficients 1, first AC min, AR coefficients 2, TSMRE2, SBE5, LZ of AC, normalize LF, LF/HF, SBE1, ECM, SBE8, normalize HF, ESVD, TSMRE3, DispEn, SBE4, HF, mean(t,s), TSMRE5, rmax, TSMRE7, TSMRE32, SBE2, TSMRE4, SBE6, SampEn, VLF, SBE7, ApEn, LF, TSMRE30, TSMRE31, LZ, TSMRE9, SBE3.