文件列表:

Features (0, 2018-09-01)
Features\frequency_domain.py (1164, 2018-09-01)
Features\non_linear.py (7539, 2018-09-01)
Features\time_domain.py (1645, 2018-09-01)
Features\__init__.py (0, 2018-09-01)
LICENSE (35147, 2018-09-01)
retrieve_physio_files.py (13985, 2018-09-01)
__init__.py (0, 2018-09-01)
Foxit Phantom.lnk (1319, 2018-11-06)

**ECG features** Provides standard linear time-domain, linear frequency-domain, and non-linear ECG processing functions (Support vector machine-based arrhythmia classification using reduced features of heart rate variability signal 2.2.2 https://pdfs.semanticscholar.org/0c5d/2c9a7540dd3ee6f708e3671d8c9352c2ff8b.pd ). All features are based on the R-R intervals. The functions are designed to work with records from physionet.org. Records from physionet.org can be downloaded and saved using retrieve_physio_files.py. *Linear time-domain functions* * Mean. * Root mean square successive difference (RMSSD). * Standard deviation between normal-normal (R-R) intervals (SDNN). * Standard deviation between successive differences (SDSD). * Probability successive normal-normal (R-R) intervals differ by greater than t (standard t = 50, 10, or 5) (pNN). *Linear frequency-domain functions* * Power spectral analysis (PSA). Ratio of the low-frequency (LF) and high-frequency (HF) bands. *Non-linear* * Cardiac-Sympathetic index (CSI). * Approximate entropy (ApEn). * Spectral entropy (SpEn). * Largest lyapunov exponent (LLE). * Detrended fluctuation analysis (DFA). * Sequential trend analysis (STA).

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