small scale multiscale cross-approximate entropy index(English)

• refers to the study of nonlinear coupling behavior of two synchronized time series of different natures [i.e., R-R interval (RRI) and crest time (CT, the time interval from foot to peak of a pulse wave]
• MEISS(CT), MEILS(CT), MEISS(RRI), MEILS(RRI), MCAE, MSE, RRI
• Entropy, Bioengineering, Signal analysis
• https://doi.org….3390/e20070497