65th ISI World Statistics Congress 2025

65th ISI World Statistics Congress 2025

Parameter Estimation for the Langevin Equation with Stationary-Increment Gaussian Noise

Author

TS
Tommi Sottinen

Co-author

  • L
    Lauri Viitasaari

Conference

65th ISI World Statistics Congress 2025

Format: IPS Abstract - WSC 2025

Keywords: gaussian-process

Abstract

We study the Langevin equation with stationary-increment Gaussian noise. We show the strong consistency and the asymptotic normality with Berry--Esseen bound of the so-called alternative estimator of the mean reversion parameter. The conditions and results are stated in terms of the variance function of the noise. We consider both the case of continuous and discrete observations. As examples we consider fractional and bifractional Ornstein--Uhlenbeck processes. Finally, we discuss the maximum likelihood and the least squares estimators.