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. Author manuscript; available in PMC: 2010 Jan 22.
Published in final edited form as: IEEE Eng Med Biol Mag. 2009 Nov–Dec;28(6):30–34. doi: 10.1109/MEMB.2009.934630

Figure 3.

Figure 3

Effects of introducing a threshold in SBP (left pannel) or in PI (right panel) on the number of sequences and the slope. Full dots: original data, open dots: surrogate data. *p<0.05, **p<0.01, ***p<0.001, original data vs surrogate data.