Vives i Santa Eulàlia, Josep, 1963-Martı́nez López, Álvaro2022-05-102022-05-102021-06-20https://hdl.handle.net/2445/185430Treballs Finals de Grau de Matemàtiques, Facultat de Matemàtiques, Universitat de Barcelona, Any: 2021, Director: Josep Vives i Santa Eulàlia[en] Explanation of the methodology of C. Chen and L.M. Liu for the detection of outliers in time series and application of intervention analysis. Additionally, it includes a prior description of the G.E.P. Box and G. Jenkins methodology for time series analysis with the definition of the four stages it consists of: identification, estimation, validation and prediction. Finally, two examples of the application of these procedures in real time series carried out with the R program are presented.79 p.application/pdfcatcc-by-nc-nd (c) Álvaro Martı́nez López, 2021http://creativecommons.org/licenses/by-nc-nd/3.0/es/Anàlisi de sèries temporalsTreballs de fi de grauEstadística matemàticaEconomia matemàticaTime-series analysisBachelor's thesesMathematical statisticsMathematical economicsAnàlisi d'intervenció en sèries temporals: la metodologia de Chen i Liuinfo:eu-repo/semantics/bachelorThesisinfo:eu-repo/semantics/openAccess