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Table 1 Summary of the best results achieved for each test case.

From: Selection of entropy-measure parameters for knowledge discovery in heart rate variability data

Test case number

Test case description

Results with

  

r = rChon

r = 0.2 σ

1

Variation of the threshold values r = r L = r F within the standard interval [0.1 σ, 0.25 σ]

Not applicable

Flip-flop effect verified for ApEn but not for other entropies

2

Variation of the data length N = x · 110 with x ∈ [1,10]

Significant with N > 1000

Significant with N > 200

3

Variation of the weighting factor n for FuzzyEn in the interval [1,6]

Significant with n < 3

Significant with n = 1

4

Variation of the weighting factors n L and n F for FuzzyMEn in the interval [1,6]

Best results with

n L = 2, n F = 1

Best results with

n L = 1, n F = 3

5

Variation of r L and r F for FuzzyMEn in an interval of [0.25 · rChon, 6 · rChon] and in an interval of [0.1σ, 0.25σ]

inconclusive