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Academic literature on the topic 'Série allélique – Modèles mathématiques'
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Journal articles on the topic "Série allélique – Modèles mathématiques"
CHIRA, Rodica-Gabriela. "Sophie Hébert-Loizelet and Élise Ouvrard. (Eds.) Les carnets aujourd’hui. Outils d’apprentissage et objets de recherche. Presses universitaires de Caen, 2019. Pp. 212. ISBN 979-2-84133-935-8." Journal of Linguistic and Intercultural Education 13 (December 1, 2020): 195–200. http://dx.doi.org/10.29302/jolie.2020.13.12.
Full textAjiferuke, Isola, Dietmar Wolfram, and Hong (Iris) Xie. "Modelling Website Visitation and Resource Usage Characteristics by IP Address Data." Proceedings of the Annual Conference of CAIS / Actes du congrès annuel de l'ACSI, October 2, 2013. http://dx.doi.org/10.29173/cais315.
Full textDissertations / Theses on the topic "Série allélique – Modèles mathématiques"
Poncet, Bénédicte N. "Modèles de distribution d’allèles pour la détection de la variabilité génétique adaptative chez une espèce non modèle, Arabis alpina." Grenoble, 2010. http://www.theses.fr/2010GRENV034.
Full textUnderstanding the molecular basis of adaptation is a major task in evolutionary biology. Local adaptation is the pattern of genotype distributions driven by the natural selection that tends to differentiate populations living in different environments. Genetically, local adaptation results in allele frequencies varying along selection gradients. Our objective is to infer the contribution of allele distribution models in the study of local adaptation through the case of the alpine plant Arabis alpina (Brassicaceae) in the wild. First, a genome scan of 825 AFLP markers genotyped on 678 plants from 198 sites in French and Swiss Alps has been completed and has required the development of a semi-automatic method to select the markers. The effects of this selection on the estimation of genetic structure and variability have been explored. Second, ecologically relevant loci were identified as potentially submitted to selection. Their allele distributions are significantly correlated with environmental variables and topographical conditions. The confounding effects (admixture and isolation by distance) were assessed and discarded in our study case. Some ecologically relevant loci have been sequenced to identify candidate genes and genomic regions potentially selected using the synteny between the genomes of A. Alpina and the model species Arabidopsis thaliana. Finally, the correlative approach to detect selection was compared with more traditional approaches of population genomic. These results suggest that the allele distribution models are a first step before the relevant functional ecology studies to better understand the adaptation to different environmental conditions
Boughrara, Adel. "Sur la modélisation dynamique retrospective et prospective des séries temporelles : une étude méthodologique." Aix-Marseille 3, 1997. http://www.theses.fr/1997AIX32054.
Full textThe past years have witnessed intensive competition among economic and econometric methodologies attempting to explain macroeconomic behaviour. Alternative schools have made claims with respect both to the purity of their methodology and to their ability to explain the facts. This thesis investigates the epistemological foundations of the major competitors, namely, the new classical school with its links to prospective econometric modelling on the one hand, and the retrospective modelling which is more close to inductive methods, on the other hand. The main conclusion of the thesis is that none of the rival schools has a very tight link with the popperien epistemology of falsificationism
Tachon, Olivier. "Commande découplante linéaire des convertisseurs multicellulaires série : modélisation, synthèse et expérimentation." Toulouse, INPT, 1998. http://www.theses.fr/1998INPT008H.
Full textCaradec, Muriel. "Modélisation des systèmes de production à haute cadence multiproduits par réseau de Petri lots colorés." Montpellier 2, 1998. http://www.theses.fr/1998MON20118.
Full textHimdi, Khalid El. "Séries chronologiques binaires avec récompenses : Applications à la modélisation en climatologie." Grenoble 1, 1986. http://tel.archives-ouvertes.fr/tel-00320012.
Full textPonchateau, Cyrille. "Conception et exploitation d'une base de modèles : application aux data sciences." Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2018. http://www.theses.fr/2018ESMA0005/document.
Full textIt is common practice in experimental science to use time series to represent experimental results, that usually come as a list of values in chronological order (indexed by time) and generally obtained via sensors connected to the studied physical system. Those series are analyzed to obtain a mathematical model that allow to describe the data and thus to understand and explain the behavio rof the studied system. Nowadays, storage and analyses technologies for time series are numerous and mature, but the storage and management technologies for mathematical models and their linking to experimental numerical data are both scarce and recent. Still, mathematical models have an essential role to play in the interpretation and validation of experimental results. Consequently, an adapted storage system would ease the management and re-usability of mathematical models. This work aims at developing a models database to manage mathematical models and provide a “query by data” system, to help retrieve/identify a model from an experimental time series. In this work, I will describe the conception (from the modeling of the system, to its software architecture) of the models database and its extensions to allow the “query by data”. Then, I will describe the prototype of models database,that I implemented and the results obtained by tests performed on the latter
Dahan, Olivier. "Étude de la détérioration neuropsychologique de l'adulte après irradiation cérébrale : analyse du risque par un modèle mathématique, à partir d'une série rétrospective de 100 patients." Bordeaux 2, 1996. http://www.theses.fr/1996BOR23026.
Full textNjimi, Hassane. "Mise en oeuvre de techniques de modélisation récentes pour la prévision statistique et économique." Doctoral thesis, Universite Libre de Bruxelles, 2008. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210441.
Full textTiret, Mathieu. "Approche multilocus du génome dans les modèles de génétique des populations." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLA002/document.
Full textPopulation genetics is the study of the evolution of allelic frequencies within a population and the influence of evolutionary pressures on these frequencies. Within this field, one could develop population models and measures to explain and predict genetic data. However, as technologie evolves new types of data are available, and it becomes essential to develop new models and new measures to reflect these new genetic marker data, increasingly richer and denser thanks to the advent of new techniques such as the Next Generation Sequencing. To this end, we propose in this thesis to develop new measures with the so-called multilocus approach, which considers the genome as a whole rather than an agglomerate of independent loci. We have first tried to build a theoretical basis for the multilocus approach in population genetics. Then, we have illustrated this multilocus approach with the case studies of identity by descent, ancestral recombination graphs and autocorrelograms in population genetics models. Through these different studies, we tried to identify the main issues and questions that the multilocus population genetics raises
Coroneo, Laura. "Essays on modelling and forecasting financial time series." Doctoral thesis, Universite Libre de Bruxelles, 2009. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210284.
Full textThe first chapter investigates the distribution of high frequency financial returns, with special emphasis on the intraday seasonality. Using quantile regression, I show the expansions and shrinks of the probability law through the day for three years of 15 minutes sampled stock returns. Returns are more dispersed and less concentrated around the median at the hours near the opening and closing. I provide intraday value at risk assessments and I show how it adapts to changes of dispersion over the day. The tests performed on the out-of-sample forecasts of the value at risk show that the model is able to provide good risk assessments and to outperform standard Gaussian and Student’s t GARCH models.
The second chapter shows that macroeconomic indicators are helpful in forecasting the yield curve. I incorporate a large number of macroeconomic predictors within the Nelson and Siegel (1987) model for the yield curve, which can be cast in a common factor model representation. Rather than including macroeconomic variables as additional factors, I use them to extract the Nelson and Siegel factors. Estimation is performed by EM algorithm and Kalman filter using a data set composed by 17 yields and 118 macro variables. Results show that incorporating large macroeconomic information improves the accuracy of out-of-sample yield forecasts at medium and long horizons.
The third chapter statistically tests whether the Nelson and Siegel (1987) yield curve model is arbitrage-free. Theoretically, the Nelson-Siegel model does not ensure the absence of arbitrage opportunities. Still, central banks and public wealth managers rely heavily on it. Using a non-parametric resampling technique and zero-coupon yield curve data from the US market, I find that the no-arbitrage parameters are not statistically different from those obtained from the Nelson and Siegel model, at a 95 percent confidence level. I therefore conclude that the Nelson and Siegel yield curve model is compatible with arbitrage-freeness.
Doctorat en Sciences économiques et de gestion
info:eu-repo/semantics/nonPublished
Books on the topic "Série allélique – Modèles mathématiques"
Mills, Terence C. Time series techniques for economists. Cambridge: Cambridge University Press, 1992.
Find full textMills, Terence C. Time series techniques for economists. Cambridge [England]: Cambridge University Press, 1990.
Find full textTime series models for business and economic forecasting. Cambridge, UK: Cambridge University Press, 1998.
Find full textGroup theoretical methods in image processing. Berlin: Springer-Verlag, 1990.
Find full textModeling Financial Time Series with S-PLUS®. Springer, 2006.
Find full textLenz, Reiner. Group Theoretical Methods in Image Processing. Springer, 2007.
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