TABLE 6.
List of methods parameters for the analyses used in the software. Some parameters can be modified by the user as others are fixed.
| Power spectral density | ||
|---|---|---|
| Type | [Non-parametric FFT], parametric AR | Editable |
| Detrend | [yes], no | Editable |
| Resampling frequency (Hz) | None, 1, [2], 4, 8 [4]* [8]** | Editable |
| Bandwidth HRV, baroreflex | ||
| VLF (Hz) | [0–0.04] [0–0.02]** | Editable |
| LF (Hz) | [0.04–0.15] [0.02–0.20]** | Editable |
| HF (Hz) | [0.15–0.40] [0.15–1.40]* [0.15–2.00]** | Editable |
| Bandwidth BPV | ||
| VLF (Hz) | [0.02–0.07] | Editable |
| LF (Hz) | [0.07–0.15] | Editable |
| HF (Hz) | [0.15–0.40] [0.15–1.40]* [0.15–2.00]** | Editable |
| Number points/Hz | [256] | Fixed |
| Welch periodogram | ||
| Window | [Hanning], Hamming | Editable |
| Window width | [1024] | Fixed |
| Window overlap (%) | 0, 25, [50] | Editable |
| Entropy | ||
| Approximate entropy | ||
| Embeded dimension m | [2] | Editable |
| Tolerance r (*SD) | [0.2] | Editable |
| Sample entropy | ||
| Embeded dimension m | [2] | Editable |
| Tolerance r (*SD) | [0.2] | Editable |
| Symbolic dynamics | ||
| ξ | [6] | Fixed |
| L | [3] | Fixed |
| Largest Lyapunov exponent | ||
| m | 1, 2, [3], 4, … 20 | Editable |
| t | [20] | Fixed |
| T | [3] | Fixed |
| Smax | [0.3] | Fixed |
| Smin | [0.001] | Fixed |
| thmax | [30] | Fixed |
| Fractal | ||
| DFA | ||
| n1 | [4–11] [4–39]* [4–39]** | Editable |
| n2 | [12–100] [40–100]* [40–100]** | Editable |
| Higuchi | ||
| Kmax | [6] | Fixed |
| Baroreflex | ||
| Sequence method | ||
| nb minimum beats/ramp | [3], 4, 5, … 10 | Editable |
| nb maximum beats/ramp | 3, 4, 5, [6], … 10 | Editable |
| Lag | [0], 1, 2 | Editable |
| Minimum BP variation (mmHg) | [yes], no [1], 2, 3 | Editable |
| Minimum RR variation (ms) | [yes], no [1], 2, 3, 4, 5 | Editable |
| Maximum RR variation (%) | [yes], no 10, 15, [20], 25, … 50 | Editable |
| Valid ramp for r > | [yes], no 0.50, 0.55, … [0.85], 0.90, 0.95 | Editable |
| Outliers selection | None, [Auto], Manual | Editable |
| Transfert function | ||
| Valid for coherence > | [yes], no [0.50], 0.60, 0.70, 0.80, 0.90 | Editable |
| Phase-Rectified Signal Averaging | ||
| Segments length (2L) | [30], 40, 50, … 100 | Editable |
| Granger causality | ||
| Number lags max | 1, 2, … [20], … 100 | Editable |
| Causal direction (extended) | “General entropy-based method (any var distribution)” | Editable |
| [“First-order approximation of LR by tanh (sparse var)”] | ||
| “Basic skewness measure (skewed var)” | ||
| “New skewness-based measure (robust to outliers)” | ||
| “Dodge-Rousson measure (skewed var)” | ||
| Causal direction (classic) | [Gaussian] | Fixed |
In bold between square brackets: default values for “standard” mode; *default values for “baby” mode; **default values for “newborn” mode.