Diffusing particles 4 Kinetic theory of gases 4 Mean-square displacement 4 Mittag-Leffler functions 4 Power-law 4 Regression analysis 4 Velocity autocorrelation functions 4 Active process 2 Analytical expressions 2 Autocorrelation 2 Autocorrelation functions 2 Correlation detectors 2 Differential equations 2 Effective temperature 2 Generalized Langevin equation 2 Harmonic potential 2 Internal equilibrium 2 Langevin equation 2 Memory kernels 2 Non equilibrium 2 Single-particle 2 Stochastic data 2 Subdiffusive behavior 2 Superdiffusion 2 Superdiffusive regimes 2 Theoretical framework 2 Thermal reservoir 2 Time dynamic 2 Time lag 2 Trapping potential 2