Ashkenazy, Yosef; Havlin, Shlomo; Ivanov, Plamen Ch.; … - In: Physica A: Statistical Mechanics and its Applications 323 (2003) C, pp. 19-41
A time series can be decomposed into two sub-series: a magnitude series and a sign series. Here we analyze separately the scaling properties of the magnitude series and the sign series using the increment time series of cardiac interbeat intervals as an example. We find that time series having...