Table 4. Standard deviation of the estimated latency produced by the different methods.

	Data Set
	A	B	C	D	E	F
Low-pass	0.90	0.20	0.22	2.00	1.00	2.46
Constant	1.33	1.86	1.20	1.82	1.82	1.17
Linear	0.96	3.19	3.43	1.98	7.78	2.75
Non-linear	0.56	0.35	0.62	1.13	0.82	3.03