BOUCHETA, AnissaBENNAFLA, Djamila2025-07-092025-07-092025http://dspace.univ-temouchent.edu.dz/handle/123456789/6498This thesis aims to study stationary time series, with a particular focus on their properties, identification, modelling, and forecasting. Emphasis will be placed on the application of these methods in specific domains. The project will include a practical analysis of real-world data and an implementation using R.frThesis