pyhctsa.operations.entropy.approximate_entropy¶

pyhctsa.operations.entropy.approximate_entropy(x, mnom=1, rth=0.2)¶

Approximate entropy (ApEn) of a time series.

Computes \(\mathrm{ApEn}(m, r)\).

For details, see the PhysioNet documentation: https://physionet.org/physiotools/apen/

References

Parameters:¶

x : array-like¶

Input time series.

mnom : int, optional¶

Embedding dimension \(m\). Default is 1.

rth : float, optional¶

Similarity threshold \(r\). Default is 0.2.

Returns:¶

Approximate entropy value.

Return type:¶

float