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. 2015 Jun 2;9:64. doi: 10.3389/fncom.2015.00064

Figure 3.

Figure 3

K2 (ε) vs. ln ε curves for the HRV data of (A) 18 normal subjects and (B) 15 patients with CHF. Each curve corresponds to one subject. The computations were done with 3 × 104 points and m = 5. ε* indicates the smallest scale resolvable by the data.