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Academic literature on the topic 'Modèle non paramétrique et semi-paramétrique'
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Journal articles on the topic "Modèle non paramétrique et semi-paramétrique"
Lubrano, Michel. "Modélisation bayésienne non linéaire du taux d’intérêt de court terme américain : l’aide des outils non paramétriques." Articles 80, no. 2-3 (October 24, 2005): 465–99. http://dx.doi.org/10.7202/011396ar.
Full textFortin, Nicole M. "L’impact des règles de prêts hypothécaires sur l’offre de travail des femmes au Canada : évidence paramétrique et non paramétrique." L’économétrie du travail et des ressources humaines 73, no. 1-2-3 (February 9, 2009): 129–59. http://dx.doi.org/10.7202/602225ar.
Full textBroniatowski, Michel, and Gérard Kebabdjian. "Inflation et dynamique des prix — Un traitement non paramétrique des données françaises." Économie appliquée 39, no. 2 (1986): 337–68. http://dx.doi.org/10.3406/ecoap.1986.4076.
Full textFortin, V., T. B. M. J. Ouarda, P. F. Rasmussen, and B. Bobée. "Revue bibliographique des méthodes de prévision des débits." Revue des sciences de l'eau 10, no. 4 (April 12, 2005): 461–87. http://dx.doi.org/10.7202/705289ar.
Full textLesnoff, Matthieu, Renaud Lancelot, Emmanuel Tillard, and Bernard Faye. "Analyse comparative de la productivité des cheptels de petits ruminants en élevage extensif tropical : une nouvelle approche par les modèles matriciels en temps discret." Revue d’élevage et de médecine vétérinaire des pays tropicaux 54, no. 1 (January 1, 2001): 69. http://dx.doi.org/10.19182/remvt.9809.
Full textAngers, Jean-François, Denise Desjardins, and Georges Dionne. "Modèle Bayésien de tarification de l’assurance des flottes de véhicules." Articles 80, no. 2-3 (October 24, 2005): 253–303. http://dx.doi.org/10.7202/011388ar.
Full textTochon, Guillaume, Jean-Baptiste Féret, Silvia Valero, Roberta E. Martin, Raul Tupayachi, Jocelyn Chanussot, Philippe Salembier, and Gregory P. Asner. "Segmentation hyperspectrale de forêts tropicales par Arbres de Partition Binaires." Revue Française de Photogrammétrie et de Télédétection, no. 202 (April 16, 2014): 55–65. http://dx.doi.org/10.52638/rfpt.2013.51.
Full textBultez, Alain, and Fabienne Guerra. "Contrastes : Plaidoyer pour un bon vieux test de différences entre proportions." Recherche et Applications en Marketing (French Edition) 20, no. 2 (June 2005): 29–54. http://dx.doi.org/10.1177/076737010502000202.
Full textRobette, Nicolas. "Trees and forest. Recursive partitioning as an alternative to parametric regression models in social sciences." Bulletin of Sociological Methodology/Bulletin de Méthodologie Sociologique 156, no. 1 (October 2022): 7–56. http://dx.doi.org/10.1177/07591063221128325.
Full textLOTCHIO, Alain, Aliou DICKO, and Armand Kuyéma NATTA. "Impact de la provenance, de la morphologie et du stockage des graines de Lophira lanceolata sur leur germination au Bénin." BOIS & FORETS DES TROPIQUES 353 (October 1, 2022): 3–16. http://dx.doi.org/10.19182/bft2022.353.a36994.
Full textDissertations / Theses on the topic "Modèle non paramétrique et semi-paramétrique"
Knefati, Muhammad Anas. "Estimation non-paramétrique du quantile conditionnel et apprentissage semi-paramétrique : applications en assurance et actuariat." Thesis, Poitiers, 2015. http://www.theses.fr/2015POIT2280/document.
Full textThe thesis consists of two parts: One part is about the estimation of conditional quantiles and the other is about supervised learning. The "conditional quantile estimate" part is organized into 3 chapters. Chapter 1 is devoted to an introduction to the local linear regression and then goes on to present the methods, the most used in the literature to estimate the smoothing parameter. Chapter 2 addresses the nonparametric estimation methods of conditional quantile and then gives numerical experiments on simulated data and real data. Chapter 3 is devoted to a new conditional quantile estimator, we propose. This estimator is based on the use of asymmetrical kernels w.r.t. x. We show, under some hypothesis, that this new estimator is more efficient than the other estimators already used. The "supervised learning" part is, too, with 3 chapters: Chapter 4 provides an introduction to statistical learning, remembering the basic concepts used in this part. Chapter 5 discusses the conventional methods of supervised classification. Chapter 6 is devoted to propose a method of transferring a semiparametric model. The performance of this method is shown by numerical experiments on morphometric data and credit-scoring data
Du, Rocher Martin. "Méthode de Denton et modèle non-paramétrique d'étalonnage." Mémoire, Université de Sherbrooke, 2009. http://savoirs.usherbrooke.ca/handle/11143/4831.
Full textLe, Thi Xuan Mai. "Estimation semi-paramétrique et application à l’évaluation de la biomasse d'anchois." Thesis, Toulouse, INSA, 2010. http://www.theses.fr/2010ISAT0006/document.
Full textThe motivation of this study is to evaluate the anchovy biomass, that is estimate the egg densities at the spawning time and the mortality rate. The data are the anchovy egg densities that are the egg weights by area unit, collected in the Gascogne bay. The problem we are faced is to estimate from these data the egg densities at the spawning time. Until now, this is done by using the classical exponential mortality model. However, such model is inadequate for the data under consideration because of the great spatial variability of the egg densities at the spawning time. They are samples of generated by a r.v whose mathematical expectation is a0 and the probability density function is fA. Therefore, we propose an extended exponential mortality model Y (tj,kj) = A (tj,kj) e-z0tj +e(tj,kj) where A(tj,kj) and e(tj,kj) are i.i.d, with the random variables A and e being assumed to be independent. Then the problem consists in estimating the mortality rate and the probability density of the random variable . We solve this semiparametric estimation problem in two steps. First, we estimate the mortality rate by fitting an exponential mortality model to averaged data. Second, we estimate the density fA by combining nonparametric estimation method with deconvolution technique and estimate the parameter z0. Theoretical results of consistence of these estimates are corroborated by simulation studies
Dellagi, Hatem. "Estimations paramétrique et non paramétrique des données manquantes : application à l'agro-climatologie." Paris 6, 1994. http://www.theses.fr/1994PA066546.
Full textViallon, Vivian. "Processus empiriques, estimation non paramétrique et données censurées." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2006. http://tel.archives-ouvertes.fr/tel-00119260.
Full textAutin, Florent. "Point de vue maxiset en estimation non paramétrique." Phd thesis, Université Paris-Diderot - Paris VII, 2004. http://tel.archives-ouvertes.fr/tel-00008542.
Full textLibengue, Dobele-kpoka Francial Giscard Baudin. "Méthode non-paramétrique des noyaux associés mixtes et applications." Thesis, Besançon, 2013. http://www.theses.fr/2013BESA2007/document.
Full textWe present in this thesis, the non-parametric approach using mixed associated kernels for densities withsupports being partially continuous and discrete. We first start by recalling the essential concepts of classical continuousand discrete kernel density estimators. We give the definition and characteristics of these estimators. We also recall thevarious technical for the choice of smoothing parameters and we revisit the problems of supports as well as a resolutionof the edge effects in the discrete case. Then, we describe a new method of continuous associated kernels for estimatingdensity with bounded support, which includes the classical continuous kernel method. We define the continuousassociated kernels and we propose the mode-dispersion for their construction. Moreover, we illustrate this on the nonclassicalassociated kernels of literature namely, beta and its extended version, gamma and its inverse, inverse Gaussianand its reciprocal, the Pareto kernel and the kernel lognormal. We subsequently examine the properties of the estimatorswhich are derived, specifically, the bias, variance and the pointwise and integrated mean squared errors. Then, wepropose an algorithm for reducing bias that we illustrate on these non-classical associated kernels. Some simulationsstudies are performed on three types of estimators lognormal kernels. Also, we study the asymptotic behavior of thecontinuous associated kernel estimators for density. We first show the pointwise weak and strong consistencies as wellas the asymptotic normality. Then, we present the results of the global weak and strong consistencies using uniform andL1norms. We illustrate this on three types of lognormal kernels estimators. Subsequently, we study the minimaxproperties of the continuous associated kernel estimators. We first describe the model and we give the technicalassumptions with which we work. Then we present our results that we apply on some non-classical associated kernelsmore precisely beta, gamma and lognormal kernel estimators. Finally, we combine continuous and discrete associatedkernels for defining the mixed associated kernels. Using the tools of the unification of discrete and continuous analysis,we show the different properties of the mixed associated kernel estimators. All through this work, we choose thesmoothing parameter using the least squares cross-validation method
Sansonnet, Laure. "Inférence non-paramétrique pour des interactions poissoniennes." Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00835427.
Full textVerdière, Nathalie. "Identifiabilité de systèmes d'équations aux dérivées partielles semi-discrétisées et applications à l'identifiabilité paramétrique de modèles en pharmacocinétique et en pollution." Phd thesis, Université de Technologie de Compiègne, 2005. http://tel.archives-ouvertes.fr/tel-00011838.
Full textDans cette thèse, deux modèles non linéaires en pharmacocinétique de type Michaelis-Menten ont tout d'abord été étudiés. Ensuite, nous nous sommes intéressés à un modèle de pollution décrit par une équation aux dérivées partielles parabolique. Le terme source à identifier était modélisé par le produit de la fonction débit avec la masse de Dirac, de support la position de la source polluante. Le but du travail était de fournir une première estimation de la source polluante. Après avoir obtenu l'identifiabilité du problème continu, nous avons étudié l'identifiabilité d'un problème approché en nous appuyant sur les méthodes d'algèbre différentielle. Celui-ci a été obtenu en approchant la masse de Dirac par une fonction gaussienne et en discrétisant ensuite le système en espace. Les résultats d'identifiabilité ont été obtenus quel que soit le nombre de points de discrétisation en espace. De cette étude théorique, nous en avons déduit des algorithmes numériques donnant une première estimation des paramètres à identifier.
Maillou, Balbine. "Caractérisation et identification non-paramétrique des non-linéarités de suspensions de haut-parleurs." Thesis, Le Mans, 2015. http://www.theses.fr/2015LEMA1028.
Full textThis thesis deals with the low frequencies mechanical behavior of the electrodynamic loudspeaker moving part, and especially with the suspensions, whose properties are among the most difficult to identify because of both assembly geometry and intrinsic materials, leading to nonlinear viscoelastic behaviors. In small signal domain, the Thiele and Small model describes the behavior of the whole loudspeaker with a good fit, the moving part behavior being modeled by a simple linear mass-spring system, with mass, damping and stiffness parameters. In large-signal domain, this model is no longer sufficient. Our approach is then to perform nonlinear system identification as a tool helping to improve analytical models. A model without physical knowledge is chosen : « Generalized Hammerstein ». Its identification requires the acquisition of experimental signals. A multi sensor experimental set up were so carried out and allows to characterize the whole moving part of a loudspeaker, without magnetic motor, attached to a rigid stand and excited with high axial displacement values, by means of a shaker. Shaker being itself a nonlinear device, a new method of « Generalized Hammerstein » model identification was developped, dedicated to nonlinear systems in series. Finally, parameters of an «expanded Thiele and Small» model are derived from the «Generalized Hammerstein» model parameters. This allows to highlight the evolution of the stiffness and damping with the frequency of excitation, with the displacement of the membrane, as well as the dependence of observed phenomena with the excitation level
Books on the topic "Modèle non paramétrique et semi-paramétrique"
Baille, Alain. Méthodes et modèles en statistique non paramétrique: Exercices et compléments. Paris: Dunod, 1988.
Find full textBulle, Thierry. Comparaison de populations: Tests non paramétriques et analyse de variance. Paris: Masson, 1990.
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