Literatura científica selecionada sobre o tema "Données de taille variable"
Crie uma referência precisa em APA, MLA, Chicago, Harvard, e outros estilos
Índice
Consulte a lista de atuais artigos, livros, teses, anais de congressos e outras fontes científicas relevantes para o tema "Données de taille variable".
Ao lado de cada fonte na lista de referências, há um botão "Adicionar à bibliografia". Clique e geraremos automaticamente a citação bibliográfica do trabalho escolhido no estilo de citação de que você precisa: APA, MLA, Harvard, Chicago, Vancouver, etc.
Você também pode baixar o texto completo da publicação científica em formato .pdf e ler o resumo do trabalho online se estiver presente nos metadados.
Artigos de revistas sobre o assunto "Données de taille variable"
El Bouhali, Mohamed, e Aicha El Alaoui. "Le lien entre la taille de la classe et la performance scolaire au Maroc : une étude économétrique". International Journal of Financial Studies, Economics and Management 1, n.º 3 (25 de novembro de 2022): 17–28. http://dx.doi.org/10.61549/ijfsem.v1i3.57.
Texto completo da fonteDoggett, Amanda, Ashok Chaurasia, Jean-Philippe Chaput e Scott T. Leatherdale. "Utilisation des arbres de classification et de régression pour modéliser les données manquantes sur l’IMC, la taille et la masse corporelle chez les jeunes". Promotion de la santé et prévention des maladies chroniques au Canada 43, n.º 5 (maio de 2023): 257–69. http://dx.doi.org/10.24095/hpcdp.43.5.03f.
Texto completo da fonteDjedidi, Amina. "Champs solides, méta-champs liquides : quels objets, méthodes et rapport au réel ?" Communication & management Vol. 20, n.º 1 (11 de setembro de 2023): 63–84. http://dx.doi.org/10.3917/comma.201.0063.
Texto completo da fonteDupuch, Sébastien, e Christelle Milan. "Les déterminants des investissements directs européens dans les pays d’Europe Centrale et Orientale". Articles 81, n.º 3 (5 de junho de 2006): 521–34. http://dx.doi.org/10.7202/013040ar.
Texto completo da fonteEngone Obiang, Nestor Laurier, Alfred Ngomanda, Lee White, Kathryn J. Jeffery, Eric Chézeaux e Nicolas Picard. "Un modèle de croissance pour l'azobé, Lophira alata, au Gabon". BOIS & FORETS DES TROPIQUES 314, n.º 314 (1 de dezembro de 2012): 65. http://dx.doi.org/10.19182/bft2012.314.a20492.
Texto completo da fonteSousa Andrade, João, Maria Adélaïde Silva Duarte e Claude Berthomieu. "Le rôle de la dépense publique dans la croissance : le cas des pays de l’Union européenne". Économie appliquée 59, n.º 2 (2006): 29–63. http://dx.doi.org/10.3406/ecoap.2006.1798.
Texto completo da fonteAoudji, Augustin Kossi N., Anselme Adegbidi, Jean Cossi Ganglo e Philippe Lebailly. "Plantations de teck, Tectona grandis L.f., en sylviculture paysanne au Sud Bénin". BOIS & FORETS DES TROPIQUES 319, n.º 319 (1 de janeiro de 2014): 7. http://dx.doi.org/10.19182/bft2014.319.a20554.
Texto completo da fonteAdair, Philippe, e Mohamed Adaskou. "Théories financières et endettement des PME en France". Revue internationale P.M.E. 24, n.º 3-4 (24 de janeiro de 2013): 137–71. http://dx.doi.org/10.7202/1013665ar.
Texto completo da fonteZiane, Ydriss. "La structure d’endettement des PME françaises: une étude sur données de panel". Notes de recherche 17, n.º 1 (16 de fevereiro de 2012): 123–38. http://dx.doi.org/10.7202/1008454ar.
Texto completo da fonteSambou, Clément, Joseph Gniaka Kama, Souleymane Bousso e Fulgence Mansal. "La pérennité des PME au Sénégal : exploration des déterminants selon la taille de l’entreprise". Revue Congolaise de Gestion Numéro 35, n.º 1 (24 de julho de 2023): 112–45. http://dx.doi.org/10.3917/rcg.035.0112.
Texto completo da fonteTeses / dissertações sobre o assunto "Données de taille variable"
Bijou, Mohammed. "Qualité de l'éducation, taille des classes et mixité sociale : Un réexamen à partir des méthodes à variables instrumentales et semi-paramétriques sur données multiniveaux - Cas du Maroc -". Electronic Thesis or Diss., Toulon, 2021. http://www.theses.fr/2021TOUL2004.
Texto completo da fonteThis thesis objective is to examine the quality of the Moroccan education system exploiting the data of the programs TIMSS and PIRLS 2011.The thesis is structured around three chapters. The first chapter examines the influence of individual student and school characteristics on school performance, as well as the important role of the school environment (effect of size and social composition). In the second chapter, we seek to estimate the optimal class size that ensures widespread success for all students at both levels, namely, the fourth year of primary school and the second year of college. The third chapter proposes to study the relationship between the social and economic composition of the school and academic performance, while demonstrating the role of social mix in student success. In order to study this relationship, we mobilize different econometric approaches, by applying a multilevel model with correction for the problem of endogeneity (chapter 1), a hierarchical semi-parametric model (chapter 2) and a contextual hierarchical semi-parametric model (chapter 3). The results show that academic performance is determined by several factors that are intrinsic to the student and also contextual. Indeed, a smaller class size and a school with a mixed social composition are the two essential elements for a favourable environment and assured learning for all students. According to our results, governments should give priority to reducing class size by limiting it to a maximum of 27 students. In addition, it is necessary to consider making the school map more flexible in order to promote social mixing at school. The results obtained allow a better understanding of the Moroccan school system, in its qualitative aspect and the justification of relevant educational policies to improve the quality of the Moroccan education system
Sanchez, Théophile. "Reconstructing our past ˸ deep learning for population genetics". Electronic Thesis or Diss., université Paris-Saclay, 2022. http://www.theses.fr/2022UPASG032.
Texto completo da fonteConstant improvement of DNA sequencing technology that produces large quantities of genetic data should greatly enhance our knowledge of evolution, particularly demographic history. However, the best way to extract information from this large-scale data is still an open problem. Neural networks are a strong candidate to attain this goal, considering their recent success in machine learning. These methods have the advantages of handling high-dimensional data, adapting to most applications and scaling efficiently to available computing resources. However, their performance dependents on their architecture, which should match the data properties to extract the maximum information. In this context, this thesis presents new approaches based on deep learning, as well as the principles for designing architectures adapted to the characteristics of genomic data. The use of convolution layers and attention mechanisms allows the presented networks to be invariant to the sampled haplotypes' permutations and to adapt to data of different dimensions (number of haplotypes and polymorphism sites). Experiments conducted on simulated data demonstrate the efficiency of these approaches by comparing them to more classical network architectures, as well as to state-of-the-art methods. Moreover, coupling neural networks with some methods already proven in population genetics, such as the approximate Bayesian computation, improves the results and combines their advantages. The practicality of neural networks for demographic inference is tested on whole genome sequence data from real populations of Bos taurus and Homo sapiens. Finally, the scenarios obtained are compared with current knowledge of the demographic history of these populations
Caron, Eddy. "Calcul numérique sur données de grande taille". Amiens, 2000. https://tel.archives-ouvertes.fr/tel-01444591.
Texto completo da fonteManouvrier, Maude. "Objets similaires de grande taille dans les bases de données". Paris 9, 2000. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=2000PA090033.
Texto completo da fonteGoddard, Jean-Philippe. "Synthèse de molécules de taille variable par polyhomologation de composés borés". Paris 11, 2002. http://www.theses.fr/2002PA112064.
Texto completo da fonteDuring this work, we developed a method of original synthesis allowing to lead mixtures of molecules of variable size with an aim of discovering new chelating molecules of cesium. This method utilizes a reaction of polyhomologation of borated compounds with the nucleophilic ones comprising a grouping leaving in alpha of the negative charge. We tested various families from nucleophilic like anions of sulfones, sulfonium ylides, anions of hydrazones, triméthylsilyldiazométhane and arsonium ylides. The first three families did not allow us to carry out reactions of polyhomologation. The triméthylsilyldiazométhane posséde not either the capacity to carry out reactions successive insertions but this property was exploited to propose a chemical conversion of olefinic hydrocarbon into alkylmethanol corresponding. The arsonium ylides made it possible to carry out reactions of polyhomologation with boronates and boranes. The alkylarsonium ylides were used to form polymers of controlled size having a ramification on each carbon atom of the principal chain. This type of polymer is not accessible by the current methods of polymerization. The allylarsonium ylides have a particular reactivity since the allyl boranes formed during the insertion reactions undergo a sigmatropic [1,3] rearrangement before reacting again with a ylide. It is thus possible to lead with polymers of big size to which the structure is close to that of the natural rubber. By this method it is possible to lead with linear or cyclic polymers. This method is currently under development at the laboratory to form chelating structures of cesium
Uribe, Lobello Ricardo. "Génération de maillages adaptatifs à partir de données volumiques de grande taille". Thesis, Lyon 2, 2013. http://www.theses.fr/2013LYO22024.
Texto completo da fonteIn this document, we have been interested in the surface extraction from the volumetric representation of an object. With this objective in mind, we have studied the spatial subdivision surface extraction algorithms. This approaches divide the volume in order to build a piecewise approximation of the surface. The general idea is to combine local and simple approximations to extract a complete representation of the object's surface.The methods based on the Marching Cubes (MC) algorithm have problems to produce good quality and to handle adaptive surfaces. Even if a lot of improvements to MC have been proposed, these approaches solved one or two problems but they don't offer a complete solution to all the MC drawbacks. Dual methods are more adapted to use adaptive sampling over volumes. These methods generate surfaces that are dual to those generated by the Marching Cubes algorithm or dual grids in order to use MC methods. These solutions build adaptive meshes that represent well the features of the object. In addition, recent improvements guarantee that the produced meshes have good geometrical and topological properties.In this dissertation, we have studied the main topological and geometrical properties of volumetric objects. In a first stage, we have explored the state of the art on spatial subdivision surface extraction methods in order to identify theirs advantages, theirs drawbacks and the implications of theirs application on volumetric objects. We have concluded that a dual approach is the best option to obtain a good compromise between mesh quality and geometrical approximation. In a second stage, we have developed a general pipeline for surface extraction based on a combination of dual methods and connected components extraction to better capture the topology and geometry of the original object. In a third stage, we have presented an out-of-core extension of our surface extraction pipeline in order to extract adaptive meshes from huge volumes. Volumes are divided in smaller sub-volumes that are processed independently to produce surface patches that are later combined in an unique and topologically correct surface. This approach can be implemented in parallel to speed up its performance. Test realized in a vast set of volumes have confirmed our results and the features of our solution
Lê, Thanh Vu. "Visualisation interactive 3D pour un ensemble de données géographiques de très grande taille". Pau, 2011. http://www.theses.fr/2011PAUU3005.
Texto completo da fonteReal-time terrain rendering remains an active area of research for a lot of modern computer based applications such as geographic information systems (GIS), interactive 3D games, flights simulators or virtual reality. The technological breakthroughs in data aquisition, coupled with recent advances in display technology have simultaneously led to substantial increases in resolution of both the Digital Elevation Models (DEM) and the various displays used to present this information. In this phD, we have presented a new out-of-core terrain visualization algorithm that achieves per-pixel accurate shading of large textured elevation maps in real-time : our first contribution is the LOD scheme which is based on a small precomputed quadtree of geometric errors, whose nodes are selected for asynchronous loading and rendering depending on a projection in screenspace of those errors. The terrain data and its color texture are manipulated by the CPU in a unified manner as a collection of raster image patches, whose dimensions depends on their screen-space occupancy ; our second contribution is a novel method to remove artifacts that appear on the border between quadtree blocks, we generate a continuous surface without needing additional mesh ; our latest contribution is an effective method adapted to our data structure for the geomorphing, it can be implemented entirely on the GPU. The presented framework exhibits several interesting features over other existing techniques : there is no mesh manipulation or mesh data structures required ; terrain geometric complexity only depends on projected elevation error views from above result in very coarse meshes), lower geometric complexity degrades terrain silhouettes but not details brought in through normal map shading, real-time rendering with support for progressive data loading ; and geometric information and color textures are similarly and efficiently handled as raster data by the CPU. Due to simplified data structures, the system is compact, CPU and GPU efficient and is simple to implement
Allart, Thibault. "Apprentissage statistique sur données longitudinales de grande taille et applications au design des jeux vidéo". Thesis, Paris, CNAM, 2017. http://www.theses.fr/2017CNAM1136/document.
Texto completo da fonteThis thesis focuses on longitudinal time to event data possibly large along the following tree axes : number of individuals, observation frequency and number of covariates. We introduce a penalised estimator based on Cox complete likelihood with data driven weights. We introduce proximal optimization algorithms to efficiently fit models coefficients. We have implemented thoses methods in C++ and in the R package coxtv to allow everyone to analyse data sets bigger than RAM; using data streaming and online learning algorithms such that proximal stochastic gradient descent with adaptive learning rates. We illustrate performances on simulations and benchmark with existing models. Finally, we investigate the issue of video game design. We show that using our model on large datasets available in video game industry allows us to bring to light ways of improving the design of studied games. First we have a look at low level covariates, such as equipment choices through time and show that this model allows us to quantify the effect of each game elements, giving to designers ways to improve the game design. Finally, we show that the model can be used to extract more general design recommendations such as dificulty influence on player motivations
Allart, Thibault. "Apprentissage statistique sur données longitudinales de grande taille et applications au design des jeux vidéo". Electronic Thesis or Diss., Paris, CNAM, 2017. http://www.theses.fr/2017CNAM1136.
Texto completo da fonteThis thesis focuses on longitudinal time to event data possibly large along the following tree axes : number of individuals, observation frequency and number of covariates. We introduce a penalised estimator based on Cox complete likelihood with data driven weights. We introduce proximal optimization algorithms to efficiently fit models coefficients. We have implemented thoses methods in C++ and in the R package coxtv to allow everyone to analyse data sets bigger than RAM; using data streaming and online learning algorithms such that proximal stochastic gradient descent with adaptive learning rates. We illustrate performances on simulations and benchmark with existing models. Finally, we investigate the issue of video game design. We show that using our model on large datasets available in video game industry allows us to bring to light ways of improving the design of studied games. First we have a look at low level covariates, such as equipment choices through time and show that this model allows us to quantify the effect of each game elements, giving to designers ways to improve the game design. Finally, we show that the model can be used to extract more general design recommendations such as dificulty influence on player motivations
Pham, Thi Thuy Ngoc. "Estimation de mouvement avec bloc de taille variable et application dans un réducteur de bruit". Mémoire, Université de Sherbrooke, 2005. http://savoirs.usherbrooke.ca/handle/11143/1320.
Texto completo da fonteLivros sobre o assunto "Données de taille variable"
Drolet, Marie. Données récentes canadiennes sur la qualité des emplois selon la taille des entreprises. Ottawa, Ont: Direction des études analytiques, Statistique Canada, 1998.
Encontre o texto completo da fonteanalytiques, Statistique Canada Direction des études. Tendances dans la répartition de l'emploi selon la taille des employeurs: Données canadiennes récentes. Ottawa, Ont: Statistique Canada, 1991.
Encontre o texto completo da fonteFaust, Lisa J., Claudine André, Raphaël Belais, Fanny Minesi, Zjef Pereboom, Kerri Rodriguez e Brian Hare. Bonobo population dynamics: Past patterns and future predictions for the Lola ya Bonobo population using demographic modelling. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198728511.003.0018.
Texto completo da fonteCapítulos de livros sobre o assunto "Données de taille variable"
"CHAPITRE 2 FONCTIONS D'UNE VARIABLE ALÉATOIRE". In Analyse statistique de données expérimentales, 51–74. EDP Sciences, 2002. http://dx.doi.org/10.1051/978-2-7598-0113-8.c004.
Texto completo da fonteLafourcade, Mathieu, e Nathalie Lebrun. "Vers un réseau lexico-sémantique de grande taille obtenu par crowdsourcing". In Le Crowdsourcing, 75–94. Editions des archives contemporaines, 2021. http://dx.doi.org/10.17184/eac.3913.
Texto completo da fonteMangeot, Mathieu, e Mutsuko Tomokiyo. "Contributions et corrections dans le dictionnaire japonais-français jibiki.fr". In Lexique(s) et genre(s) textuel(s) : approches sur corpus, 259–70. Editions des archives contemporaines, 2020. http://dx.doi.org/10.17184/eac.2922.
Texto completo da fonteLemaire, Claire, e Jean-Philippe Guilbaud. "Corpus de registres différents pour le développement d’un aligneur d’unités polylexicales". In Lexique(s) et genre(s) textuel(s) : approches sur corpus, 13–24. Editions des archives contemporaines, 2020. http://dx.doi.org/10.17184/eac.2906.
Texto completo da fonteATTO, Abdourrahmane M., Héla HADHRI, Flavien VERNIER e Emmanuel TROUVÉ. "Apprentissage multiclasse multi-étiquette de changements d’état à partir de séries chronologiques d’images". In Détection de changements et analyse des séries temporelles d’images 2, 247–71. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9057.ch6.
Texto completo da fonteChassonnery-Zaïgouche, Cléo, Léontine Goldzahl e Charlotte Levionnois. "Quantifier les discriminations raciales entre données d’enquête et données expérimentales : l’évolution du rôle du chercheur dans la construction de la variable « race »". In L’évident et l’invisible, 73–97. Éditions de la Sorbonne, 2020. http://dx.doi.org/10.4000/books.psorbonne.86239.
Texto completo da fonteBERTUCCI, Marie-Madeleine, e Mounia ILLOURMANNE. "Transcrire un corpus audio dans la perspective de la préservation du patrimoine culturel immatériel." In Corpus audiovisuels, 115–24. Editions des archives contemporaines, 2022. http://dx.doi.org/10.17184/eac.5704.
Texto completo da fonteMEDZOGO, Sylvain, e Laurent GAJO. "Tensions entre norme pédagogique et normes endogènes du français". In L’expansion de la norme endogène du français en francophonie, 225–46. Editions des archives contemporaines, 2023. http://dx.doi.org/10.17184/eac.7572.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Données de taille variable"
Andersson, Fred. "Groupe µ and “the system of plastic form” -for an evaluation-". In Le Groupe μ : quarante ans de rhétorique – trente-trois ans de sémiotique visuelle. Limoges: Université de Limoges, 2010. http://dx.doi.org/10.25965/as.3097.
Texto completo da fonteRelatórios de organizações sobre o assunto "Données de taille variable"
Rousseau, Henri-Paul. Gutenberg, L’université et le défi numérique. CIRANO, dezembro de 2022. http://dx.doi.org/10.54932/wodt6646.
Texto completo da fonte