Suppose we have a time series : $X=\{X_t,t\in T\}$. How can we check if the data $X_t$ are random or they are the result of some chaotic behaviour of a nonlinear dynamical system? Is there some test useful to prove the chaoticity of the series? Thanks.
2026-03-27 19:31:36.1774639896
Chaoticity and randomness in a time series
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