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pyentrp

Entropy for Python

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pyEntropy (pyEntrp)

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  1. Quick start
  2. Usage
  3. Contributors and participation

This is a small set of functions on top of NumPy that help to compute different types of entropy for time series analysis.

  • Shannon Entropy shannon_entropy
  • Sample Entropy sample_entropy
  • Multiscale Entropy multiscale_entropy
  • Composite Multiscale Entropy composite_multiscale_entropy
  • Permutation Entropy permutation_entropy
  • Multiscale Permutation Entropy multiscale_permutation_entropy
  • Weighted Permutation Entropy weighted_permutation_entropy

Quick start

pip install pyentrp

Usage

from pyentrp import entropy as ent
import numpy as np


ts = [1, 4, 5, 1, 7, 3, 1, 2, 5, 8, 9, 7, 3, 7, 9, 5, 4, 3]
std_ts = np.std(ts)
sample_entropy = ent.sample_entropy(ts, 4, 0.2 * std_ts)

Requirements:

  • >numpy-1.7.0

Contributors and participation

Contributions are very welcome, documentation improvements/corrections, bug reports, even feature requests :)

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