. 2020 Oct 19;6(10):e05208. doi: 10.1016/j.heliyon.2020.e05208

Table 3.

Coefficients from the different AR models and RMS calculated with the AR and Newton methods for different number of preceding values. B signals without filtering, with cutting frequency at 0.16 and with cutting frequency at 0.008 are considered.

Non filtered B signal
	AR coefficients	RMS $_{A R}$	RMS $_{N e w t o n}$

2	0.9438, 0.0485	0.0608	0.0828
3	0.9413, 0.0117, 0.0393	0.0609	0.1384
4	0.9393, 0.0077, 0.0858, −0.0398	0.0608	0.2522

B signal with cutting frequency at 0.16
	AR coefficients	RMS $_{A R}$	RMS $_{N e w t o n}$

2	1.6838, −0.6890	0.0212	0.0238
3	2.3226, −2.0298, 0.7060	0.0122	0.0197
4	2.9904, −3.7965, 2.5387, −0.7342	0.0069	0.0185

B signal with cutting frequency at 0.008
	AR coefficients	RMS $_{A R}$	RMS $_{N e w t o n}$

2	1.9668, −0.9679	0.0025	0.0026
3	2.9419, −2.9106, 0.9687	3.9511 ⋅ 10⁻⁴	5.7784 ⋅ 10⁻⁴
4	3.8981, −5.7480, 3.8001, −0.9502	9.7855 ⋅ 10⁻⁵	1.6561 ⋅ 10⁻⁴