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Статті в журналах з теми "Densité de probabilités":
Riopel, Martin, Jean Bégin, and Jean-Claude Ruel. "Probabilités de pertes des tiges individuelles, cinq ans après des coupes avec protection des petites tiges marchandes, dans des forêts résineuses du Québec." Canadian Journal of Forest Research 40, no. 7 (July 2010): 1458–72. http://dx.doi.org/10.1139/x10-059.
Ouimet, Marc, and Pierre Tremblay. "Trajets urbains et risques de victimisation : les sites de transit et le cas du métro de Montréal." Criminologie 34, no. 1 (October 2, 2002): 157–76. http://dx.doi.org/10.7202/004759ar.
Assis, Janilson Pinheiro, Roberto Pequeno de Sousa, Bem Deivid de Oliveira Batista, and Paulo César Ferreira Linhares. "Probabilidade de chuva em Piracicaba, SP, através da distribuição densidade de probabilidade Gama." Revista Brasileira de Geografia Física 11, no. 2 (2018): 814–25. http://dx.doi.org/10.26848/rbgf.v10.6.p814-825.
Assis, Janilson Pinheiro, Roberto Pequeno de Sousa, Bem Deivid de Oliveira Batista, and Paulo César Ferreira Linhares. "Probabilidade de chuva em Piracicaba, SP, através da distribuição densidade de probabilidade Gama." Revista Brasileira de Geografia Física 11, no. 3 (2018): 814–25. http://dx.doi.org/10.26848/rbgf.v11.3.p814-825.
Farmer, Jenny, Eve Allen, and Donald J. Jacobs. "Quasar Identification Using Multivariate Probability Density Estimated from Nonparametric Conditional Probabilities." Mathematics 11, no. 1 (December 28, 2022): 155. http://dx.doi.org/10.3390/math11010155.
Bian Chenshu, 边宸舒, 刘元坤 Liu Yuankun та 于馨 Yu Xin. "基于概率密度函数的彩色相位测量轮廓术校正". Acta Optica Sinica 42, № 7 (2022): 0712002. http://dx.doi.org/10.3788/aos202242.0712002.
Jones, M. C., and F. Daly. "Density probability plots." Communications in Statistics - Simulation and Computation 24, no. 4 (January 1995): 911–27. http://dx.doi.org/10.1080/03610919508813284.
Xiao, Yongshun. "THE MARGINAL PROBABILITY DENSITY FUNCTIONS OF WISHART PROBABILITY DENSITY FUNCTION." Far East Journal of Theoretical Statistics 54, no. 3 (May 1, 2018): 239–326. http://dx.doi.org/10.17654/ts054030239.
Lin, Yi-Shin, Andrew Heathcote, and William R. Holmes. "Parallel probability density approximation." Behavior Research Methods 51, no. 6 (August 30, 2019): 2777–99. http://dx.doi.org/10.3758/s13428-018-1153-1.
Amonmidé, Isidore, Germain D. Fayalo, and Gustave D. Dagbenonbakin. "Effet de la période et densité de semis sur la croissance et le rendement du cotonnier au Bénin." Journal of Applied Biosciences 152 (August 31, 2020): 15676–97. http://dx.doi.org/10.35759/jabs.152.7.
Дисертації з теми "Densité de probabilités":
Yode, Armel Fabrice Evrard. "Estimation de la densité de probabilité multidimensionnelle : risques minimax avec normalisation aléatoire et test d'indépendance." Aix-Marseille 1, 2004. http://www.theses.fr/2004AIX11002.
In the context of minimax theory, a new approach allowing one to improve the accuracy of estimation has been proposed by Lepski (1999). This approach which is a combination of adaptive estimation and hypothesis testing introduces a new kind of risks normalized by random variable depending on the observation. It implies construction of estimator attaining rate depending on observation. This estimator can be adaptive and the rate is better than minimax rate of convergence. In this thesis, we apply this theory to the problem of estimation of multidi-mensionnal probability density under independence hypothesis. Our work consists of two parts:- Independence test. We propose a new nonparametric independence test via minimax approach. The alternatives sets are described by L2-norm. We are interested in the study for tests for which the error of the first type can decrease to 0 as the number of observations increases. - Minimax risks with random normalizing factors. We construct estimator attaining random rate which is better than mini-max rate of convergence. Under independence hypothesis, this estimator can be adaptive
Hamon, Abdellatif. "Estimation d'une densité de probabilité multidimensionnelle par dualité." Rouen, 2000. http://www.theses.fr/2000ROUES055.
Rosa, Vargas José Ismäel de la. "Estimation de la densité de probabilité d'une mesure dans un cadre non-linéaire, non-gaussien." Paris 11, 2002. http://www.theses.fr/2002PA112201.
The characterization and modeling of an indirect measurement procedure is led by a set of previously observed data. The modeling task is it self a complex procedure which is correlated with the measurement objective. Far from model building and model selection, a theoretical and practical problem persists: What is the correct probability density function (PDF) of a parametric model? Once this PDF is approximated, the next step is to establish a mechanism to propagate this statistical information until the quantity of interest. In fact, such a quantity is a measurement estimate and it is a nonlinear function of the parametric model. The present work proposes some different methods to make statistical inferences about the measurement estimate. We propose a first approach based on bootstrap methods. Such methods are classical in statistical simulation together with Monte Carlo methods, and they require a significative time of calcul. However, the precision over the measurement PDF estimated by these methods is very good. On the other hand, we have verified that the bootstrap methods convergence is faster than the Primitive Monte Carlo's one. Another advantage of bootstrap is its capacity to determine the statistical nature of errors which perturb the measurement system. This is doing thanks to the empirical estimation of the errors PDF. The bootstrap convergence optimization could be achieved by smoothing the residuals or by using a modified iterated bootstrap scheme. More over, we propose to use robust estimation when outliers are present. The second approach is based on other sampling techniques called Markov Chain Monte Carlo (MCMC), the statistical inference obtained when using these methods is very interesting, since we can use all a priori information about the measurement system. We can reformulate the problem solution by using the Bayes rule. The Gibbs sampling and the Metropolis-Hastings algorithms were exploited in this work. We overcome to the MCMC convergence optimization problem by using a weighted resampling and coupling from the past (CFTP) schemes, moreover, we adapt such techniques to the measurement PDF approximation. The last proposed approach is based on the use of kernel methods. The main idea is founded on the nonparametric estimation of the errors PDF, since it is supposed unknown. Then, we optimize a criterion function based on the entropy of the errors' PDF, thus we obtain a minimum entropy estimator (MEE). The simulation of this estimation process by means of Monte Carlo, MCMC, or weighted bootstrap could led to us to construct a statistical approximation of the measurement population. .
Nehme, Bilal. "Techniques non-additives d'estimation de la densité de probabilité." Phd thesis, Université Montpellier II - Sciences et Techniques du Languedoc, 2010. http://tel.archives-ouvertes.fr/tel-00576957.
Derouet, Charlotte. "La fonction de densité au carrefour entre probabilités et analyse en terminale S : Etude de la conception et de la mise en oeuvre de tâches d'introduction articulant lois à densité et calcul intégral." Thesis, Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCC126/document.
This thesis focuses on the connections between probability and analysis (calculus) in the scientific track of Grade 12 (French baccalaureate program). We explored the ways in which links between the mathematics subfields of continuous probability and integral calculus are created and explored, through a research focused on the concept of density function. Using the Mathematical Working Space model and some elements of Activity Theory, we sought to identify tasks that would allow introducing this concept and building the semiotic relationship between probability and integral. In order to address this issue, we began with an epistemological and historical study of the birth of the concept of density function, which enabled us to identify the important role of statistics in this genesis. Then, an analysis of institutional documents and textbooks showed that the link between continuous probability and integral calculus is imposed on students and rarely exploited in the different tasks given to them. Finally, we studied the design and implementation of original introductory tasks through a research methodology that we call “collaborative didactic engineering”. The goal of these tasks is to get the class “collective” to construct the concept of density function and trigger the need for calculating areas under a curve. We highlighted the activities of the class “collective” in the construction of this notion by analyzing articulations between the three subfields: continuous probability, descriptive statistics and integral calculus
Akil, Nicolas. "Etude des incertitudes des modèles neuronaux sur la prévision hydrogéologique. Application à des bassins versants de typologies différentes." Electronic Thesis or Diss., IMT Mines Alès, 2021. http://www.theses.fr/2021EMAL0005.
Floods and droughts are the two main risks in France and require a special attention. In these conditions, where climate change generates increasingly frequent extreme phenomena, modeling these risks is an essential element for water resource management.Currently, discharges and water heights are mainly predicted from physical or conceptual based models. Although efficient and necessary, the calibration and implementation of these models require long and costly studies.Hydrogeological forecasting models often use data from incomplete or poorly dimensioned measurement networks. Moreover, the behavior of the study basins is in most cases difficult to understand. This difficulty is thus noted to estimate the uncertainties associated with hydrogeological modeling.In this context, this thesis, supported by IMT Mines Alès and financed by the company aQuasys and ANRT, aims at developing models based on the systemic paradigm. These models require only basic knowledge on the physical characterization of the studied basin, and can be calibrated from only input and output information (rainfall and discharge/height).The most widely used models in the environmental world are neural networks, which are used in this project. This thesis seeks to address three main goals:1. Development of a model design method adapted to different variables (surface water flows/height) and to very different types of basins: watersheds or hydrogeological basins (groundwater height)2. Evaluation of the uncertainties associated with these models in relation to the types of targeted basins3. Reducing of these uncertaintiesSeveral basins are used to address these issues: the Blavet basin in Brittany and the basin of the Southern and Central Champagne Chalk groundwater table
Lerasle, Matthieu. "Rééchantillonnage et sélection de modèles optimale pour l'estimation de la densité." Toulouse, INSA, 2009. http://eprint.insa-toulouse.fr/archive/00000290/.
Pastel, Rudy. "Estimation de probabilités d'évènements rares et de quantiles extrêmes : applications dans le domaine aérospatial." Phd thesis, Université Européenne de Bretagne, 2012. http://tel.archives-ouvertes.fr/tel-00728108.
Quiroz, Martínez Benjamín. "Étude de la variabilité temporelle et spatiale des peuplements des annélides polychètes de l'Atlantique nord-est européen, dynamique des peuplements en Manche et patrons de distribution sur le plateau continental." Thesis, Lille 1, 2010. http://www.theses.fr/2010LIL10106/document.
One of the key features of environmental field studies is their high variability at many different time and space scales. Because of these external influences and of the stochasticity introduced by the reproduction, population dynamics are also characterised by high variability over time and space. The search for universal scaling laws in ecology often involves considering a form of power-law distribution, power laws can emerge in population dynamics or in patterns of abundance, distribution, and richness. Using the polychaetes, group that colonises a large range of soft and hard marine sediment habitats, from intertidal to hadal zones, and are considered to be good surrogates to identify the main environmental conditions that control the structure and functioning of benthic communities, we try to identify the spatiotemporal changes in biodiversity for this characteristic benthic group. First, we discuss the dynamics of polychaete populations. Based on long-term series of three soft-bottom communities, we study the dynamics of polychaete populations using different statistical techniques; we characterise extreme events in abundance data and we show how to apply some quantification methods to highly erratic and intermittent biological series. Then, we discuss the spatial distribution of polychaete species aiming to: identify latitudinal, longitudinal and bathymetric patterns on the European northeast Atlantic continental shelf; and test the existence of general, perhaps universal, patterns for characterising biodiversity i.e. increasing diversity with sampled area, its decay from the equator to the poles and the increase in richness with the total abundance of individuals
Bordet, Nicolas. "Modélisation 0D/1D de la combustion diesel : du mode conventionnel au mode homogène." Phd thesis, Université d'Orléans, 2011. http://tel.archives-ouvertes.fr/tel-00717396.
Книги з теми "Densité de probabilités":
Burris, Stanley. Number theoretic density and logical limit laws. Providence, RI: American Mathematical Society, 2001.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Program., ed. Probability density functions in turbulent channel flow. [Washington, DC]: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1992.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Program., ed. Probability density functions in turbulent channel flow. [Washington, DC]: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1992.
Byrne, Erin. Post-fragmentation probability density for bacterial aggregates. [Place of publication not identified]: Proquest, Umi Dissertatio, 2012.
Paštéka, Milan. On four approaches to density. Frankfurt am Main: Peter Lang, 2013.
Ronald, Johnson L., Smith P. L, and United States. National Aeronautics and Space Administration., eds. Probability density functions of observed rainfall in Montana. [Washington, DC: National Aeronautics and Space Administration, 1995.
Ronald, Johnson L., Smith P. L, and United States. National Aeronautics and Space Administration., eds. Probability density functions of observed rainfall in Montana. [Washington, DC: National Aeronautics and Space Administration, 1995.
Churnside, James H. Probability density function of optical scintillations (scintillation distribution). Boulder, Colo: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Research Laboratories, 1989.
J, Lataitis R., and Wave Propagation Laboratory, eds. Probability density function of optical scintillations (scintillation distribution). Boulder, Colo: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Research Laboratories, Wave Propagation Laboratory, 1989.
Devroye, Luc. Nonparametric density estimation: The L₁ view. New York: Wiley, 1985.
Частини книг з теми "Densité de probabilités":
Gu, Chong. "Probability Density Estimation." In Smoothing Spline ANOVA Models, 177–210. New York, NY: Springer New York, 2002. http://dx.doi.org/10.1007/978-1-4757-3683-0_6.
Gooch, Jan W. "Probability Density Function." In Encyclopedic Dictionary of Polymers, 992. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_15330.
Gooch, Jan W. "Probability Density, ψ2." In Encyclopedic Dictionary of Polymers, 590. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_9465.
Gooch, Jan W. "Probability Density Function." In Encyclopedic Dictionary of Polymers, 590. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_9466.
Castaing, B. "Probability Density Functions." In Turbulence, 81–85. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-2586-8_13.
Rizzo, Maria L. "Probability Density Estimation." In Statistical Computing with R, 337–74. Second edition. | Boca Raton : CRC Press, Taylor & Francis Group, 2019.: Chapman and Hall/CRC, 2019. http://dx.doi.org/10.1201/9780429192760-12.
Nascimento, Abraão D. C. "Probability Density Function." In Encyclopedia of Mathematical Geosciences, 1–5. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-26050-7_257-2.
Nascimento, Abraão D. C. "Probability Density Function." In Encyclopedia of Mathematical Geosciences, 1–5. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-26050-7_257-1.
Gu, Chong. "Probability Density Estimation." In Smoothing Spline ANOVA Models, 237–84. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-5369-7_7.
Nascimento, Abraão D. C. "Probability Density Function." In Encyclopedia of Mathematical Geosciences, 1112–16. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-030-85040-1_257.
Тези доповідей конференцій з теми "Densité de probabilités":
Oskolkov, K. I. "The Schrödinger density and the Talbot effect." In Approximation and Probability. Warsaw: Institute of Mathematics Polish Academy of Sciences, 2006. http://dx.doi.org/10.4064/bc72-0-13.
Sun, Yi-Chieh, and Inseok Hwang. "Gaussian Mixture Probability Hypothesis Density Filter with State-Dependent Probabilities." In 2021 European Control Conference (ECC). IEEE, 2021. http://dx.doi.org/10.23919/ecc54610.2021.9655137.
Leifer, M. S. "Conditional Density Operators and the Subjectivity of Quantum Operations." In FOUNDATIONS OF PROBABILITY AND PHYSICS - 4. AIP, 2007. http://dx.doi.org/10.1063/1.2713456.
Andreev, V. "The Reduction of Density Matrix and Measurement of Bell-CHSH Inequalities." In FOUNDATIONS OF PROBABILITY AND PHYSICS - 4. AIP, 2007. http://dx.doi.org/10.1063/1.2713465.
Wu, M., D. Zheng, J. Yuan, S. Zhang, A. Chen, and B. Cheng. "Probability hypothesis density filter with low detection probability." In IET International Radar Conference (IET IRC 2020). Institution of Engineering and Technology, 2021. http://dx.doi.org/10.1049/icp.2021.0664.
Garcia-Fernandez, Angel F., and Lennart Svensson. "Trajectory probability hypothesis density filter." In 2018 21st International Conference on Information Fusion (FUSION 2018). IEEE, 2018. http://dx.doi.org/10.23919/icif.2018.8455270.
Erdinc, Ozgur, Peter Willett, and Yaakov Bar-Shalom. "A physical-space approach for the probability hypothesis density and cardinalized probability hypothesis density filters." In Defense and Security Symposium, edited by Oliver E. Drummond. SPIE, 2006. http://dx.doi.org/10.1117/12.673194.
Sithiravel, Rajiv, Ratnasingham Tharmarasa, Mike McDonald, Michel Pelletier, and Thiagalingam Kirubarajan. "The spline probability hypothesis density filter." In SPIE Defense, Security, and Sensing. SPIE, 2012. http://dx.doi.org/10.1117/12.921022.
Meyers, Ronald E. "Quantum probability density function (QPDF) method." In Optics & Photonics 2005, edited by Ronald E. Meyers and Yanhua Shih. SPIE, 2005. http://dx.doi.org/10.1117/12.620152.
Xiaoyun, Teng, Yuan Jia, and Yu Hongyi. "Probability density estimation based on SVM." In 2009 Global Mobile Congress. IEEE, 2009. http://dx.doi.org/10.1109/gmc.2009.5295893.
Звіти організацій з теми "Densité de probabilités":
Gaglianone, Wagner Piazza, and Waldyr Dutra Areosa. Financial Conditions Indicator for Brazil. Inter-American Development Bank, August 2017. http://dx.doi.org/10.18235/0011805.
Clark, G. Probability Density and CFAR Threshold Estimation for Hyperspectral Imaging. Office of Scientific and Technical Information (OSTI), September 2004. http://dx.doi.org/10.2172/15011636.
Kitsul, Yuriy, and Jonathan Wright. The Economics of Options-Implied Inflation Probability Density Functions. Cambridge, MA: National Bureau of Economic Research, June 2012. http://dx.doi.org/10.3386/w18195.
Kamrath, Matthew, D. Wilson, Carl Hart, Daniel Breton, and Caitlin Haedrich. Evaluating parametric probability density functions for urban acoustic noise. Engineer Research and Development Center (U.S.), September 2020. http://dx.doi.org/10.21079/11681/38006.
Clark, Todd E., Gergely Ganics, and Elmar Mertens. What is the predictive value of SPF point and density forecasts? Federal Reserve Bank of Cleveland, November 2022. http://dx.doi.org/10.26509/frbc-wp-202237.
Jordan, P. D., C. M. Oldenburg, and J. P. Nicot. Measuring and Modeling Fault Density for Plume-Fault Encounter Probability Estimation. Office of Scientific and Technical Information (OSTI), May 2011. http://dx.doi.org/10.2172/1016011.
Hao, Wei-Da. Waveform Estimation with Jitter Noise by Pseudo Symmetrical Probability Density Function. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.6471.
DESJARDIN, PAUL E., MELVIN R. BAER, RAYMOND L. BELL, and EUGENE S. HERTEL, JR. Towards Numerical Simulation of Shock Induced Combustion Using Probability Density Function Approaches. Office of Scientific and Technical Information (OSTI), July 2002. http://dx.doi.org/10.2172/801388.
Chow, Winston C. Analysis of the Probability Density Function of the Monopulse Ratio Radar Signal. Fort Belvoir, VA: Defense Technical Information Center, August 1996. http://dx.doi.org/10.21236/ada315600.
Poppeliers, Christian, and Leiph Preston. An efficient method to estimate the probability density of seismic Green's functions. Office of Scientific and Technical Information (OSTI), August 2021. http://dx.doi.org/10.2172/1813651.