Academic literature on the topic 'Modèle autorégressive'
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Journal articles on the topic "Modèle autorégressive"
Dufour, Jean-Marie, and David Tessier. "La causalité entre la monnaie et le revenu : une analyse fondée sur un modèle VARMA-échelon." L’économétrie de la politique économique 73, no. 1-2-3 (February 9, 2009): 351–66. http://dx.doi.org/10.7202/602232ar.
Full textDufour, Jean-Marie, and Malika Neifar. "Méthodes d’inférence exactes pour des processus autorégressifs : une approche fondée sur des tests induits." Articles 78, no. 1 (March 11, 2004): 19–40. http://dx.doi.org/10.7202/007243ar.
Full textBensafta, Kamel Malik, and Gervasio Semedo. "De la transmission de la volatilité à la contagion entre marchés boursiers : l’éclairage d’un modèle VAR non linéaire avec bris structurels en variance." Articles 85, no. 1 (May 18, 2010): 13–76. http://dx.doi.org/10.7202/039734ar.
Full textDufour, Jean-Marie, and Malika Neifar. "Méthodes d’inférence exactes pour un modèle de régression avec erreurs AR(2) gaussiennes." Articles 80, no. 4 (January 26, 2006): 593–618. http://dx.doi.org/10.7202/012129ar.
Full textZakoian. "Modèles autorégressifs à seuils multiples." Annales d'Économie et de Statistique, no. 36 (1994): 23. http://dx.doi.org/10.2307/20075968.
Full textSmith, Herbert L. "Application de l’analyse des séries chronologiques à la projection d’effectifs de population scolaire par la méthode des composantes." Articles 38, no. 1 (June 16, 2010): 145–70. http://dx.doi.org/10.7202/039991ar.
Full textBoutahar, Mohamed. "Modèles autorégressifs explosifs avec bruit longue mémoire." Comptes Rendus de l'Académie des Sciences - Series I - Mathematics 330, no. 10 (May 2000): 889–92. http://dx.doi.org/10.1016/s0764-4442(00)00292-5.
Full textMangeas, Morgan, and Jian-Feng Yao. "Sur l'estimateur des moindres carrés d'un modèle autorégressif fonctionnel." Comptes Rendus de l'Académie des Sciences - Series I - Mathematics 324, no. 4 (February 1997): 471–74. http://dx.doi.org/10.1016/s0764-4442(97)80088-2.
Full textROBERT, T., and C. MAILHES. "Effet d'une perturbation sur l'estimation de modèles autorégressifs." Le Journal de Physique IV 04, no. C5 (May 1994): C5–1383—C5–1386. http://dx.doi.org/10.1051/jp4:19945308.
Full textDufour and Hallin. "Tests non paramétriques optimaux pour le modèle autorégressif d'ordre un." Annales d'Économie et de Statistique, no. 6/7 (1987): 411. http://dx.doi.org/10.2307/20075663.
Full textDissertations / Theses on the topic "Modèle autorégressive"
DELLAGI, WASSIMA. "Estimation empirique de la partie autorégressive d'un modèle Arma vectoriel." Paris 11, 1991. http://www.theses.fr/1991PA112179.
Full textEbeido, Kebieh Amira. "Test d'hypothèses et modèles aléatoires autorégressifs." Paris 2, 1987. http://www.theses.fr/1987PA020091.
Full textJeantheau, Thierry. "Modèles autorégressifs à erreur conditionnellement hétéroscédastique." Paris 7, 1993. http://www.theses.fr/1993PA077169.
Full textLim, Néhémy. "Estimation de modèles autorégressifs vectoriels à noyaux à valeur opérateur : Application à l'inférence de réseaux." Thesis, Evry-Val d'Essonne, 2015. http://www.theses.fr/2015EVRY0007/document.
Full textIn multivariate time series analysis, existing models are often used for forecasting, i.e. estimating future values of the observed system based on previously observed values. Another purpose is to find causal relationships among a set of state variables within a dynamical system. We focus on the latter and develop tools in order to address this problem. In this thesis, we define a new family of nonparametric vector autoregressive models based on operator-valued kernels. Assuming a sparse underlying structure, we control the model’s sparsity by defining a loss function that includes sparsity-inducing penalties on the model parameters (which are basis vectors within a linear combination of kernels). The selected kernels sometimes involve hyperparameters that may need to be learned depending on the nature of the problem. On the one hand, when expert knowledge or working assumptions allow presetting the parameters of the kernel, the learning problem boils down to estimating only the model parameters. To optimize the corresponding loss function, we develop a proximal algorithm. On the other hand, when no prior knowledge is available, some other kernels may exhibit unknown parameters. Consequently, this leads to the joint learning of the kernel parameters in addition to the model parameters. We thus resort to an alternate optimization scheme which involves proximal methods. Subsequently, we propose to build an estimate of the adjacency matrix coding for the underlying causal network by computing a function of the instantaneous Jacobian matrices. In a high-dimensional setting, i.e. insufficient amount of data compared to the number of variables, we design an ensemble methodology that shares features of boosting and random forests. In order to emphasize the performance of the developed models, we apply them on two tracks : simulated data from gene regulatory networks and real climate data
Arkoun, Ouerdia. "Estimation non paramétrique pour les modèles autorégressifs." Phd thesis, Université de Rouen, 2009. http://tel.archives-ouvertes.fr/tel-00464024.
Full textZakoian, Jean-Michel. "Modèles autorégressifs à seuil de séries chronologiques." Paris 9, 1990. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=1990PA090014.
Full textChakar, Souhil. "Segmentation de processus avec un bruit autorégressif." Thesis, Paris 11, 2015. http://www.theses.fr/2015PA112196/document.
Full textWe propose to study the methodology of autoregressive processes segmentation under both its theoretical and practical aspects. “Segmentation” means here inferring multiple change-points corresponding to mean shifts. We consider autoregression parameters as nuisance parameters, whose estimation is considered only for improving the segmentation.From a theoretical point of view, we aim to keep some asymptotic properties of change-points and other parameters estimators. From a practical point of view, we have to take into account the algorithmic constraints to get the optimal segmentation. To meet these requirements, we propose a method based on robust estimation techniques, which allows a preliminary estimation of the autoregression parameters and then the decorrelation of the process. The aim is to get our problem closer to the segmentation in the case of independent observations. This method allows us to use efficient algorithms. It is based on asymptotic results that we proved. It allows us to propose adapted and well-founded number of changes selection criteria. A simulation study illustrates the method
Tong, Dinh Quy. "Méthodes d'estimation de paramètres de modèles autorégressifs multivariés." Grenoble 1, 1991. http://www.theses.fr/1991GRE10141.
Full textPedroso, Meloni Luis Geraldo. "Compression spectrale du signal vocal par modification du modèle autorégressif." Nancy 1, 1985. http://www.theses.fr/1985NAN10275.
Full textKachour, Maher. "Une nouvelle classe de modèles autorégressifs à valeurs entières." Rennes 1, 2009. https://tel.archives-ouvertes.fr/tel-00442146.
Full textIn many practical situations we deal with integer-valued time series. The analysis of such a time series present some difficulties, namely where the analysis is based on some stochastic models. These models must reflect the integer peculiarity of the observed series. Many attempts have been made to define some models which can be used to describe integer-valued time series. Most of the proposed models are based on the thinning operator and they have the same properties as the real-valued models well-known in the literature. The aim of this thesis is to study the integer-valued autoregressive models. We introduce a new class of models based on the rounding operator. Compared to the existent models, the new class has several advantages : simple innovation structure, autoregressive coefficients with arbitrary signs, possible negative values for time series and for the autocorrelation function. We study the stationarity of the models and the strong consistency of the least squares estimator proposed to estimate the parameters. We analyze some well-known time series with the introduced models
Books on the topic "Modèle autorégressive"
Centre ivoirien de recherches économiques et sociales. Cellule d'analyse de politiques économiques, ed. Impact des dépenses publiques sur le niveau de vie en Côte d'Ivoire: Une analyse par les modèles autorégressifs à seuils endogènes. [Abidjan]: Cellule d'analyse de politiques économiques du CIRES, 2008.
Find full textBook chapters on the topic "Modèle autorégressive"
"L’analyse de modèles autorégressifs (Autoregressive models analysis)." In La modélisation par équations structurelles avec Mplus, 185–92. Presses de l'Université du Québec, 2018. http://dx.doi.org/10.2307/j.ctvt1sh9g.22.
Full text"L’analyse de modèles autorégressifs croisés (Crossed-lagged panel models)." In La modélisation par équations structurelles avec Mplus, 193–200. Presses de l'Université du Québec, 2018. http://dx.doi.org/10.2307/j.ctvt1sh9g.23.
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