Literatura académica sobre el tema "Conditional p-Value"
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Artículos de revistas sobre el tema "Conditional p-Value"
Booth, James G., Marinela Capanu y Ludwig Heigenhauser. "Exact Conditional P Value Calculation for the Quasi-Symmetry Model". Journal of Computational and Graphical Statistics 14, n.º 3 (1 de septiembre de 2005): 716–25. http://dx.doi.org/10.1198/106186005x59496.
Texto completoVanRaden, Mark, William C. Blackwelder y Maria Deloria. "Relationship of P-value to conditional and predictive power in interim analysis". Controlled Clinical Trials 12, n.º 5 (octubre de 1991): 642. http://dx.doi.org/10.1016/0197-2456(91)90136-a.
Texto completoMadden, L. V., D. A. Shah y P. D. Esker. "Does the P Value Have a Future in Plant Pathology?" Phytopathology® 105, n.º 11 (noviembre de 2015): 1400–1407. http://dx.doi.org/10.1094/phyto-07-15-0165-le.
Texto completoJitmaneeroj, Boonlert. "The impact of dividend policy on price-earnings ratio". Review of Accounting and Finance 16, n.º 1 (13 de febrero de 2017): 125–40. http://dx.doi.org/10.1108/raf-06-2015-0092.
Texto completoDI NOLA, ANTONIO y ROMANO SCOZZAFAVA. "PARTIAL ALGEBRAIC CONDITIONAL SPACES". International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems 12, n.º 06 (diciembre de 2004): 781–89. http://dx.doi.org/10.1142/s021848850400320x.
Texto completoAndrews, Donald W. K., Wooyoung Kim y Xiaoxia Shi. "Commands for Testing Conditional Moment Inequalities and Equalities". Stata Journal: Promoting communications on statistics and Stata 17, n.º 1 (marzo de 2017): 56–72. http://dx.doi.org/10.1177/1536867x1701700104.
Texto completoBurucuoglu, Murat y Evrim Erdogan. "An Empirical Examination of the Relation between Consumption Values, Mobil Trust and Mobile Banking Adoption". International Business Research 9, n.º 12 (23 de noviembre de 2016): 131. http://dx.doi.org/10.5539/ibr.v9n12p131.
Texto completoGourieroux, Christian y Joann Jasiak. "Local Likelihood Density Estimation and Value-at-Risk". Journal of Probability and Statistics 2010 (2010): 1–26. http://dx.doi.org/10.1155/2010/754851.
Texto completoZhan, Likan y Peng Zhou. "The Online Processing of Hypothetical Events". Experimental Psychology 70, n.º 2 (marzo de 2023): 108–17. http://dx.doi.org/10.1027/1618-3169/a000579.
Texto completoLahiani, Amine y Khaled Guesmi. "Commodity Price Correlation And Time Varying Hedge Ratios". Journal of Applied Business Research (JABR) 30, n.º 4 (30 de junio de 2014): 1053. http://dx.doi.org/10.19030/jabr.v30i4.8653.
Texto completoTesis sobre el tema "Conditional p-Value"
Pluntz, Matthieu. "Sélection de variables en grande dimension par le Lasso et tests statistiques - application à la pharmacovigilance". Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASR002.
Texto completoVariable selection in high-dimensional regressions is a classic problem in health data analysis. It aims to identify a limited number of factors associated with a given health event among a large number of candidate variables such as genetic factors or environmental or drug exposures.The Lasso regression (Tibshirani, 1996) provides a series of sparse models where variables appear one after another depending on the regularization parameter's value. It requires a procedure for choosing this parameter and thus the associated model. In this thesis, we propose procedures for selecting one of the models of the Lasso path, which belong to or are inspired by the statistical testing paradigm. Thus, we aim to control the risk of selecting at least one false positive (Family-Wise Error Rate, FWER) unlike most existing post-processing methods of the Lasso, which accept false positives more easily.Our first proposal is a generalization of the Akaike Information Criterion (AIC) which we call the Extended AIC (EAIC). We penalize the log-likelihood of the model under consideration by its number of parameters weighted by a function of the total number of candidate variables and the targeted level of FWER but not the number of observations. We obtain this function by observing the relationship between comparing the information criteria of nested sub-models of a high-dimensional regression, and performing multiple likelihood ratio test, about which we prove an asymptotic property.Our second proposal is a test of the significance of a variable appearing on the Lasso path. Its null hypothesis depends on a set A of already selected variables and states that it contains all the active variables. As the test statistic, we aim to use the regularization parameter value from which a first variable outside A is selected by Lasso. This choice faces the fact that the null hypothesis is not specific enough to define the distribution of this statistic and thus its p-value. We solve this by replacing the statistic with its conditional p-value, which we define conditional on the non-penalized estimated coefficients of the model restricted to A. We estimate the conditional p-value with an algorithm that we call simulation-calibration, where we simulate outcome vectors and then calibrate them on the observed outcome‘s estimated coefficients. We adapt the calibration heuristically to the case of generalized linear models (binary and Poisson) in which it turns into an iterative and stochastic procedure. We prove that using our test controls the risk of selecting a false positive in linear models, both when the null hypothesis is verified and, under a correlation condition, when the set A does not contain all active variables.We evaluate the performance of both procedures through extensive simulation studies, which cover both the potential selection of a variable under the null hypothesis (or its equivalent for EAIC) and on the overall model selection procedure. We observe that our proposals compare well to their closest existing counterparts, the BIC and its extended versions for the EAIC, and Lockhart et al.'s (2014) covariance test for the simulation-calibration test. We also illustrate both procedures in the detection of exposures associated with drug-induced liver injuries (DILI) in the French national pharmacovigilance database (BNPV) by measuring their performance using the DILIrank reference set of known associations
Fonseca, Pedro Miguel Teles da. "Digit analysis using Benford's Law : a bayesian approach". Master's thesis, Instituto Superior de Economia e Gestão, 2016. http://hdl.handle.net/10400.5/13105.
Texto completoA lei de Benford, regularidade empírica segundo a qual muitos dos conjuntos de números gerados sem intervenção humana exibem um padrão de decaimento logarítmico nas frequências de ocorrência de primeiros dígitos, pode ser utilizada para, através da análise da frequência de dígitos, identificar conjuntos de números potencialmente erróneos ou fraudulentos. Devido ao elevado nível de potência alcançado pelos testes de hipóteses clássicos de dimensão fixa em amostras grandes, espera-se que, se a amostra for suficientemente grande, estes consigam identificar qualquer desvio em relação à lei de Benford, por mais pequeno que seja, como sendo estatisticamente significativo. Isto pode levar à rejeição da presença da lei de Benford em amostras onde o desvio em relação à mesma não tem significância prática e à identificação de amostras legitimas como sendo fraudulentas. Esta dissertação sugere uma abordagem baseada na seleção bayesiana de modelos. A metodologia proposta é aplicada num estudo empírico que utiliza estatísticas macroeconómicas de países da Zona Euro e explora o conflito entre o valor-p e as medidas bayesianas de evidência (fator de Bayes e probabilidades a posteriori) a nível do suporte por elas fornecido à presença da lei de Benford numa amostra. Conclui-se que os testes clássicos rejeitam frequentemente a presença da lei de Benford em amostras onde as medidas bayesianas são favoráveis à sua presença, e que mesmo limites inferiores destas medidas sobre largas famílias de distribuições a priori frequentemente fornecem bastante mais suporte à presença da lei de Benford do que o valor-p e os testes clássicos.
According to Benford's law, many of the collections of numbers which are generated without human intervention exhibit a logarithmically decaying pattern in leading digit frequencies. Through digit analysis, this empirical regularity can help identifying erroneous or fraudulent data. Due to the power that classical significance tests with fixed dimension attain in large samples, they produce small p-values and, if the sample is big enough, are able to identify any deviation from Benford's law, no matter how tiny, as statistically significant. This may result in the rejection of Benford's law in samples where the deviations from it are without practical importance, and consequently samples which are legit are likely to be classified as erroneous or fraudulent. This dissertation proposes a Bayesian model selection approach to digit analysis. An empirical application with macroeconomic statistics from Eurozone countries demonstrates the applicability of the suggested methodology and explores the conflict between the p-value and Bayesian measures of evidence (Bayes factors and posterior probabilities) in the support they provide to the presence of Benford's law in a given sample. It is concluded that classical significance tests often reject the presence of Benford's law in samples which are deemed to be in conformance to it by Bayesian measures, and that even lower bounds on such measures over wide classes of prior distributions often provide more evidence in favour of Benford's law than the p-value and classical significance tests seem to suggest.
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GIOÈ, MAURO. "Use and misuse of P-values: a conditional approach to post-model-selection inference". Doctoral thesis, Università degli studi di Pavia, 2021. http://hdl.handle.net/11571/1422614.
Texto completoAdaptive generation of hypotheses is among the main culprits of the lack of replicability in science. Under conditions of uncertainty, the statements, or the process that generates them, can only be trusted if the reported error rates are reflected in the replication attempts. The discrepancy between the two is due to many factors, but interactive data analysis plays a major role in the inflation of type I error. In this regard, inference after model selection is of particular interest because its misuse can be analyzed through a Monte Carlo simulation. As the findings of this thesis show, inflation of type I error can be quite severe even in low dimensional scenarios, with up to 40% of false positives in the selected set of variables. Depending on the model selection strategy and the structure of the true data-generating mechanism, this percentage varies greatly. The results of the simulation show different performances between the Least Absolute Shrinkage and Selection Operator (LASSO) and the Forward Selection (FS). In particular, the LASSO yields a type I error lower than the FS when the structure of the true data-generating mechanism is additive and a higher one when the structure is multiplicative. The results also provide additional empirical evidence that given an extensive class of problems, most methods will provide on average comparable solutions. As shown in this thesis, the conditional probability approach to selective inference represents a viable solution to control type I error while avoiding any data loss due to data splitting. In the current research environment, incentives and funding policies need to be reshaped in order to bring about effective changes on the overall reliability of the published papers, but the tools to provide rigorous results, while meeting the needs of the researchers, are available for anyone conscientious enough.
Werning, Jan P. [Verfasser], Stefan [Gutachter] Spinler y Carl Marcus [Gutachter] Wallenburg. "The transition from linear towards circular economy business models : theoretical and empirical study of boundary conditions and other effects on the value chain / Jan P. Werning ; Gutachter: Stefan Spinler, Carl Marcus Wallenburg". Vallendar : WHU - Otto Beisheim School of Management, 2021. http://d-nb.info/1231792108/34.
Texto completoDaly, Fiona Frances Margaret. "The effect of diet on the nutrition and production of merino ewes in the arid shrublands of Western Australia". Thesis, Curtin University, 2009. http://hdl.handle.net/20.500.11937/570.
Texto completoLibros sobre el tema "Conditional p-Value"
Sitnova, Irina, Vladimir Yadov y Svetlana Kirdina-Chendler. Institutional changes in modern Russia: activist-activity approach. ru: INFRA-M Academic Publishing LLC., 2023. http://dx.doi.org/10.12737/1871442.
Texto completoSkiba, Grzegorz. Fizjologiczne, żywieniowe i genetyczne uwarunkowania właściwości kości rosnących świń. The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, 2020. http://dx.doi.org/10.22358/mono_gs_2020.
Texto completoShengelia, Revaz. Modern Economics. Universal, Georgia, 2021. http://dx.doi.org/10.36962/rsme012021.
Texto completoCapítulos de libros sobre el tema "Conditional p-Value"
Stefanovic, Predrag. "Upgrading the Seismic Safety of the Chritzi Bridge, Switzerland". En Case Studies of Rehabilitation, Repair, Retrofitting, and Strengthening of Structures, 9–20. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2010. http://dx.doi.org/10.2749/sed012.009.
Texto completoSnaibi, Wadii y Abdelhamid Mezrhab. "Livestock Breeders’ Adaptation to Climate Variability and Change in Morocco’s Arid Rangelands". En African Handbook of Climate Change Adaptation, 1853–72. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_18.
Texto completoBayarri, M. J. y James O. Berger. "Quantifying Surprise in the Data and Model Verification". En Bayesian Statistics 6, 53–82. Oxford University PressOxford, 1999. http://dx.doi.org/10.1093/oso/9780198504856.003.0003.
Texto completoWoods, Michael, David Wiggins y Dorothy Edgington. "Theories of Simple Conditionals". En Conditionals, 11–22. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780198751267.003.0002.
Texto completoBaker, Daniel H. "Bayesian statistics". En Research Methods Using R. Oxford University Press, 2022. http://dx.doi.org/10.1093/hesc/9780192896599.003.0017.
Texto completoWiggins, David y Dorothy Edgington. "Compound Conditionals and Truth-Values". En Conditionals, 58–68. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780198751267.003.0006.
Texto completoHuo, Xingyue y Joseph Finkelstein. "Pneumococcal Vaccination Lowers the Risk of Alzheimer’s Disease: A Study Utilizing Data from the IBM® MarketScan® Database". En Studies in Health Technology and Informatics. IOS Press, 2024. http://dx.doi.org/10.3233/shti231107.
Texto completoWoods, Michael, David Wiggins y Dorothy Edgington. "Ramsey’s Test and Adams’s Hypothesis". En Conditionals, 23–30. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780198751267.003.0003.
Texto completoPavlou, Antonis, Michalis Doumpos y Constantin Zopounidis. "The Robustness of Portfolio Optimization Models". En Advances in Finance, Accounting, and Economics, 210–29. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-6114-9.ch008.
Texto completoDubois, Didier y Henri Prade. "Conditional Objects, Possibility Theory and Default Rules". En Conditionals: from Philosophy to Computer Science, 301–36. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780198538615.003.0010.
Texto completoActas de conferencias sobre el tema "Conditional p-Value"
Ka¨hko¨nen, Jukka y Pentti Varpasuo. "Seismic Fragility Study for High-Pressure Emergency Cooling Water Tanks of Loviisa Nuclear Power Plant". En 18th International Conference on Nuclear Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/icone18-29181.
Texto completoLiepa, Sindija, Dace Butenaite, Jovita Pilecka-Ulcugaceva y Inga Grinfelde. "Use of isotopes for identification of N2O sources from soils". En Research for Rural Development 2023 : annual 29th international scientific conference proceedings. Latvia University of Life Sciences and Technologies, 2023. http://dx.doi.org/10.22616/rrd.29.2023.034.
Texto completoIsmail, Reem y Riyadh I. Al-Raoush. "Statistical Analysis of the Effect of Water Table Fluctuation and Soil Layering on the Distribution of BTEX on Soil and Groundwater Under Anaerobic Condition". En The 2nd International Conference on Civil Infrastructure and Construction. Qatar University Press, 2023. http://dx.doi.org/10.29117/cic.2023.0185.
Texto completoSánchez-Rodríguez, Ana, Erik Rúa, Joaquín Martínez-Sánchez, Mercedes Solla, Belén Riveiro, Pedro Arias y Henrique Lorenzo. "Latest trends for condition assessment using non-destructive techniques". En IABSE Symposium, Prague 2022: Challenges for Existing and Oncoming Structures. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2022. http://dx.doi.org/10.2749/prague.2022.1292.
Texto completoSlabaugh, Carson D., Lucky V. Tran, J. S. Kapat y Bobby A. Warren. "Heat Transfer and Friction Augmentation in High Aspect Ratio, Ribbed Channels With Dissimilar Inlet Conditions". En 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-23219.
Texto completoCroce, Pietro, Paolo Formichi y Filippo Landi. "Structural safety and design under climate change". En IABSE Congress, New York, New York 2019: The Evolving Metropolis. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/newyork.2019.1129.
Texto completoGilo, Mordechai. "Design of a nonpolarizing beam splitter inside a glass cube". En OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.tudd3.
Texto completoBudinski Petković, Ljuba y Ivana Lončarević. "PERCOLATION ON A TRIANGULAR LATTICE UNDER ANISOTROPIC CONDITIONS". En The 9th Conference on Mathematics in Engineering: Theory and Applications. Faculty of Technical Sciences, University of Novi Sad, 2024. http://dx.doi.org/10.24867/meta.2024.03.
Texto completoGraver, W. R., W. G. Mayer y T. Ngoc. "Surface acoustic waves: optical depolarization in noncoplanar conditions". En OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.thm3.
Texto completoGorai, Amit Kumar y Abhishek Kaushik. "Condition Assessment and measures to Repair and Retrofit Baghajatin ROB, Kolkata". En IABSE Congress, New Delhi 2023: Engineering for Sustainable Development. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2023. http://dx.doi.org/10.2749/newdelhi.2023.1521.
Texto completoInformes sobre el tema "Conditional p-Value"
Luo, Minjing, Yilin Li, Yingqiao Wang, Jinghan Huang, Zhihan Liu, Yicheng Gao, Qianyun Chai, Yuting Feng, Jianping Liu y Yutong Fei. The Fragility of Statistically Significant Findings from Depression Randomized Controlled Trials. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, abril de 2023. http://dx.doi.org/10.37766/inplasy2023.4.0086.
Texto completoСавосько, Василь Миколайович, Юлія Віліївна Бєлик, Юрій Васильович Лихолат, Герман Хайльмейер y Іван Панасович Григорюк. Macronutrients and Heavy Metals Contents in the Leaves of Trees from the Devastated Lands at Kryvyi Rih District (Central Ukraine). КДПУ, 2020. http://dx.doi.org/10.31812/123456789/4151.
Texto completoSchwartz, Bertha, Vaclav Vetvicka, Ofer Danai y Yitzhak Hadar. Increasing the value of mushrooms as functional foods: induction of alpha and beta glucan content via novel cultivation methods. United States Department of Agriculture, enero de 2015. http://dx.doi.org/10.32747/2015.7600033.bard.
Texto completoBrosh, Arieh, David Robertshaw, Yoav Aharoni, Zvi Holzer, Mario Gutman y Amichai Arieli. Estimation of Energy Expenditure of Free Living and Growing Domesticated Ruminants by Heart Rate Measurement. United States Department of Agriculture, abril de 2002. http://dx.doi.org/10.32747/2002.7580685.bard.
Texto completoRoschelle, Jeremy, Britte Haugan Cheng, Nicola Hodkowski, Julie Neisler y Lina Haldar. Evaluation of an Online Tutoring Program in Elementary Mathematics. Digital Promise, abril de 2020. http://dx.doi.org/10.51388/20.500.12265/94.
Texto completoWelch, David y Gregory Deierlein. Technical Background Report for Structural Analysis and Performance Assessment (PEER-CEA Project). Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, noviembre de 2020. http://dx.doi.org/10.55461/yyqh3072.
Texto completoLaxmi Prasanna, Porandla, B. Anil kumar y Macha Sahithi. A STUDY TO EVALUATE THE TEAR FILM CHANGES IN PATIENTS WITH PTERYGIUM. World Wide Journals, febrero de 2023. http://dx.doi.org/10.36106/ijar/3408221.
Texto completoIsrael, Alvaro y John Merrill. Production of Seed Stocks for Sustainable Tank Cultivation of the Red Edible Seaweed Porphyra. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7696527.bard.
Texto completoRankin, Nicole, Deborah McGregor, Candice Donnelly, Bethany Van Dort, Richard De Abreu Lourenco, Anne Cust y Emily Stone. Lung cancer screening using low-dose computed tomography for high risk populations: Investigating effectiveness and screening program implementation considerations: An Evidence Check rapid review brokered by the Sax Institute (www.saxinstitute.org.au) for the Cancer Institute NSW. The Sax Institute, octubre de 2019. http://dx.doi.org/10.57022/clzt5093.
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