Ignaccolo, M.; Allegrini, P.; Grigolini, P.; Hamilton, P.; … - In: Physica A: Statistical Mechanics and its Applications 336 (2004) 3, pp. 595-622
Most data processing techniques, applied to biomedical and sociological time series, are only valid for random fluctuations that are stationary in time. Unfortunately, these data are often non-stationary and the use of techniques of analysis resting on the stationary assumption can produce a...