The Appropriate Use of Approximate Entropy and Sample Entropy with Short Data Sets
Approximate entropy (ApEn) as a complexity measure.
Measuring complexity using FuzzyEn, ApEn, and SampEn.
Physiological time-series analysis using approximate entropy and sample entropy.
Characterization of Sample Entropy in the Context of Biomedical Signal Analysis
Selection of entropy-measure parameters for knowledge discovery in heart rate variability data