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Comparison between DispEn and FDispEn and SampEn, PerEn, and AAPerEn in terms of ability to characterize short signals, sensitivity to noise, type of entropy, and computational cost.
| Characteristics | DispEn | FDispEn | AAPerEn | PerEn | SampEn |
|---|---|---|---|---|---|
| Short signals | reliable | reliable | reliable | reliable | undefined |
| Sensitivity to noise | no | no | yes | yes | no |
| Type of entropy | ShEn | ShEn | ShEn | ShEn | ConEn |
| Computational cost | O(N) | O(N) | O(N) | O(N) | O() |
