Academic literature on the topic 'Departures from normality'

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Journal articles on the topic "Departures from normality"

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Kilian, Lutz. "Confidence intervals for impulse responses under departures from normality." Econometric Reviews 17, no. 1 (1998): 1–29. http://dx.doi.org/10.1080/07474939808800401.

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Nakagawa, Shigekazu, Hiroki Hashiguchi, and Naoto Niki. "A MEASURE OF SKEWNESS FOR TESTING DEPARTURES FROM NORMALITY." Far East Journal of Theoretical Statistics 52, no. 1 (2016): 61–74. http://dx.doi.org/10.17654/ts052010061.

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Barry, Peter J., Bruce J. Sherrick, and Jianmei Zhao. "Integration of VaR and expected utility under departures from normality." Agricultural Economics 40, no. 6 (2009): 691–99. http://dx.doi.org/10.1111/j.1574-0862.2009.00408.x.

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BLACKIE, C. A., and W. F. HARRIS. "Refraction and Keratometry: Departures from and Transformations toward Multivariate Normality." Optometry and Vision Science 74, no. 6 (1997): 452–58. http://dx.doi.org/10.1097/00006324-199706000-00031.

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Leung, Bartholomew P. K., and F. Spiring. "Adjusted action limits for Cpm based on departures from normality." International Journal of Production Economics 107, no. 1 (2007): 237–49. http://dx.doi.org/10.1016/j.ijpe.2006.09.003.

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Savage, Stephen H. "Assessing Departures from Log-Normality in the Rank-Size Rule." Journal of Archaeological Science 24, no. 3 (1997): 233–44. http://dx.doi.org/10.1006/jasc.1996.0106.

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Liu, Benmei, and Partha Lahiri. "Adaptive Hierarchical Bayes Estimation of Small Area Proportions." Calcutta Statistical Association Bulletin 69, no. 2 (2017): 150–64. http://dx.doi.org/10.1177/0008068317722293.

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Unit-level logistic regression models with mixed effects have been used for estimating small area proportions in the literature. Normality is commonly assumed for the random effects. Nonetheless, real data often show significant departures from normality assumptions of the random effects. To reduce the risk of model misspecification, we propose an adaptive hierarchical Bayes estimation approach in which the distribution of the random effect is chosen adaptively from the exponential power class of probability distributions. The richness of the exponential power class ensures the robustness of o
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HOPWOOD, WILLIAM, JAMES McKEOWN, and JANE MUTCHLER. "The sensitivity of financial distress prediction models to departures from normality." Contemporary Accounting Research 5, no. 1 (1988): 284–98. http://dx.doi.org/10.1111/j.1911-3846.1988.tb00706.x.

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Horswell, Ronaldl, and Stephenw Looney. "Diagnostic limitations of skewness coefficients in assessing departures from univariate and multivariate normality." Communications in Statistics - Simulation and Computation 22, no. 2 (1993): 437–59. http://dx.doi.org/10.1080/03610919308813102.

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Crawford, John R., Paul H. Garthwaite, Adelchi Azzalini, David C. Howell, and Keith R. Laws. "Testing for a deficit in single-case studies: Effects of departures from normality." Neuropsychologia 44, no. 4 (2006): 666–77. http://dx.doi.org/10.1016/j.neuropsychologia.2005.06.001.

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Dissertations / Theses on the topic "Departures from normality"

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Lauprête, Geoffrey J. (Geoffrey Jean) 1972. "Portfolio risk minimization under departures from normality." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/8303.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Sloan School of Management, Operations Research Center, 2001.<br>Includes bibliographical references (p. 206-210).<br>This thesis revisits the portfolio selection problem in cases where returns cannot be modeled as Gaussian. The emphasis is on the development of financially intuitive and statistically sound approaches to portfolio risk minimization. When returns exhibit asymmetry, we propose using a quantile-based measure of risk which we call shortfall. Shortfall is related to Value-at-Risk and Conditional Value-at-Risk, and can be tuned
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Hembree, David. "The robustness of confidence intervals for effect size in one way designs with respect to departures from normality." Kansas State University, 2012. http://hdl.handle.net/2097/13676.

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Master of Science<br>Department of Statistics<br>Paul Nelson<br>Effect size is a concept that was developed to bridge the gap between practical and statistical significance. In the context of completely randomized one way designs, the setting considered here, inference for effect size has only been developed under normality. This report is a simulation study investigating the robustness of nominal 0.95 confidence intervals for effect size with respect to departures from normality in terms of their coverage rates and lengths. In addition to the normal distribution, data are generated from four
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Grammont, Laurence. "Analyse numérique des équations de Sylvester généralisées." Saint-Etienne, 1994. http://www.theses.fr/1994STET4011.

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Cette thèse contient une étude de l'analyse numérique des équations de Sylvester généralisées. Nous avons abordé les questions d'existence, d'unicité et d'expressions explicites de la solution de l'équation de Sylvester généralisée dans le contexte de la théorie spectrale. Nous avons ainsi construit une expression explicite de la solution et donné une hypothèse d'existence en termes d'éléments spectraux des matrices A et B qui définissent l'opérateur de Sylvester. Nous avons étudié la sensibilité de la solution de l'équation de Sylvester dans le cadre de la théorie des perturbations linéaires
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Blackie, Caroline Adrienne. "Refractive and keratometric measurements: departures from and transformations towards normality." Thesis, 2014. http://hdl.handle.net/10210/9231.

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M.Phil. (Optometry)<br>Different representations of dioptric power and their relative coordinate systems are summarised. The transition matrices required to switch from one coordinate system to another are provided. Three sets of data are analysed; a sample of 205 refractions, a sample of 205 keratometric readings and a sample of 790 autorefractive excesses of 790 autorefractions over 790 subjective refractions. Brief mention is made of emmetropisation. In the event that such a driving force exists, the possible effects on the distributional characteristics of refractive error are noted. Norma
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Books on the topic "Departures from normality"

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Disch, Lisa. Ecological Democracy and the Co-participation of Things. Edited by Teena Gabrielson, Cheryl Hall, John M. Meyer, and David Schlosberg. Oxford University Press, 2016. http://dx.doi.org/10.1093/oxfordhb/9780199685271.013.11.

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Is ecological democracy possible? If so, what would it entail? This chapter first reviews the literature based in deliberative democracy that proposes to extend communicative competence to non-humans, and then traces an alternative constructivist line of environmental political thinking from its beginnings in the strand of science and technology studies pioneered by Bruno Latour and others known as actor-network theory, through two actor-network theory-inspired approaches to political theory, “object-oriented democracy” and “material politics/participation.” Whereas this alternative approach s
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Lucas, Robert E. B. Crossing the Divide. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780197602157.001.0001.

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The magnitude, nature, causes, and consequences of population movements between rural and urban sectors of developing countries are examined. The prior literature is reviewed and is found to be limited in key dimensions. Evidence presented from a new database encompasses nationally representative data on seventy-five developing countries. Several measures of migration propensities are derived for the separate countries. The situation in each country is documented, both in historical context and following the time of enumeration. Rural-urban migrants enjoy major gains; those who do not move for
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Book chapters on the topic "Departures from normality"

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Bowman, Kimiko O., and L. R. Shenton. "Omnibus Test for Departures from Normality." In International Encyclopedia of Statistical Science. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-04898-2_426.

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Bowman, Kimiko O., and L. R. Shenton. "Omnibus Test for Departures from Normality." In International Encyclopedia of Statistical Science. Springer Berlin Heidelberg, 2025. https://doi.org/10.1007/978-3-662-69359-9_439.

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Spiring, Fred. "The Sensitivity of Common Capability Indices to Departures from Normality." In Frontiers in Statistical Quality Control 9. Physica-Verlag HD, 2010. http://dx.doi.org/10.1007/978-3-7908-2380-6_18.

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Heyde, C. C., and B. M. Brown. "On the Departure from Normality of a Certain Class of Martingales." In Selected Works of C.C. Heyde. Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-5823-5_22.

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Carlsen, Jesper. "Il lavoro agricolo tra ideologia e realtà: Columella." In Idee di lavoro e di ozio per la nostra civiltà. Firenze University Press, 2024. http://dx.doi.org/10.36253/979-12-215-0319-7.15.

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The point of departure of this paper is the most comprehensive introduction to Roman farming of the four preserved Latin agricultural writers from antiquity. It is written by Columella, and the article presents a short biography of him before an analysis of his manual. Columella emphasizes the importance of the owner’s personal participation in the running of the estate, but it is also implied that the owner normally did not live permanently on the estates described by in the agricultural handbook. The labour force was slave under supervision of a bailiff, who him self was a slave. The handboo
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Strandbrink, Peter. "New Turn Populism: Ideological or Epistemic? An Inquiry into Explanatory Models of Populism and the Meaning of ‘Post-truth’." In Palgrave Studies in European Political Sociology. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-64178-7_10.

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AbstractHighlighting conceptual problems in standard political scientific analyses of the ascendance of new turn populism (NTP) in mature liberal democratic politics over the past decade, this contribution interrogates the limits of our attempt to come to terms with a style of politics that challenges core knowledge-building assumptions. Distinguishing it from ideology-based political styles, new turn populism seems unconcerned with the role of truth, evidence-invoking deliberation and reason in political talk to an excessive degree, typically too radical for scholars to grasp its far-reaching
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Kass, Robert E., and Elizabeib H. Slate. "Reparameterization and Diagnostics of Posterior Non-Normality." In Bayesian Statistics 4. Oxford University PressOxford, 1992. http://dx.doi.org/10.1093/oso/9780198522669.003.0016.

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Abstract We define and discuss diagnostics that indicate departure from marginal and joint posterior normality. We emphasize versions of these non-normality measures that are easily computed via second-order asymptotic expansions and illustrate their use. We discuss the goals of reparameterization and the benefits of approximate posterior Normality. We also mention “curvature” measures that are motivated by non-Bayesian considerations and indicate their relevance to Bayesian inference.
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Pawlowsky-Glahn, Vera, and Richardo A. Olea. "Cokriging." In Geostatistical Analysis of Compositional Data. Oxford University Press, 2004. http://dx.doi.org/10.1093/oso/9780195171662.003.0011.

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The problem of estimation of a coregionalization of size q using cokriging will be discussed in this chapter. Cokriging—a multivariate extension of kriging—is the usual procedure applied to multivariate regionalized problems within the framework of geostatistics. Its fundament is a distribution-free, linear, unbiased estimator with minimum estimation variance, although the absence of constraints on the estimator is an implicit assumption that the multidimensional real space is the sample space of the variables under consideration. If a multivariate normal distribution can be assumed for the ve
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Jackson, John, and Sean Doran. "The Diplock Context." In Judge Without Jury. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780198258896.003.0002.

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Abstract There is a simple paradox which has attached to the operation of the Diplock court system since its inception in 1973. The idea of trying serious criminal cases without a jury is anathema to many educated within the common law tradition. To others, the system is undesirable but essential in the difficult circumstances which prevail in Northern Ireland. Others still have had no reservations about the removal of the jury from cases with ‘terrorist’ connections. Common to these reactions, however, is the realization that the introduction of trial by judge alone marked a departure from th
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Kieval, Hillel J. "Imagining “Masculinity” in the Jewish Fin de Siecle." In Studies in contemporary jewry An annual XVI. Oxford University PressNew York, NY, 2001. http://dx.doi.org/10.1093/oso/9780195140811.003.0008.

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Abstract The relationship between historical experience and systems of knowledge is the axis on which serious cultural history turns. What cultural historians seek to uncover are the processes whereby discourse informs practice, value is ascribed to contingency, and identity is distilled from context. As the cultural history of the Jewish experience of “modernity” is written, it, too, will need to locate a plausible point of departure. One approach that has emerged in recent works on Jewish modernism in Europe seeks the connection between various constructions of modern Jewish identity and per
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Conference papers on the topic "Departures from normality"

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Patel, Roshani, Steven M. Brunwasser, and Alissa Hochman. "Evaluating the Effectiveness of a School-Based Cognitive Behavioral Youth Depression Prevention Program in Improving Life Satisfaction." In 28th Annual Rowan-Virtua Research Day. Rowan University Libraries, 2024. http://dx.doi.org/10.31986/issn.2689-0690_rdw.stratford_research_day.19_2024.

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Depression is the leading cause of disability worldwide, known as the global burden of disease. Incident cases from 1990 to 2017 have increased by 49.86%. Additionally, rates have been seen to dramatically rise in adolescents aged 18-25 (17%) compared to rates in individuals aged 10-14 (1.1%). This makes it beneficial to have prevention programs for middle school aged children. The Penn Resiliency Program (PRP) is a youth depression prevention program focused on cultivating healthy thinking styles and behavioral coping skills. In our study, we used archival data from a randomized control trial
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Mendez, E. R., Amalia Martinez, A. A. Maradudin, and Zu-Han Gu. "Enhanced backscattering from a quasiperiodic surface." In OSA Annual Meeting. Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.fgg14.

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The phenomenon of enhanced backscattering has attracted a great deal of attention in recent years. Normally, it is assumed that some randomness is required for this phenomenon to occur. In this work, we study numerically and experimentally the scattering of light from different types of quasiperiodic surfaces. We show that, under certain conditions, the angular distribution of the light scattered by these deterministic surfaces displays backscattering enhancement. These conditions involve the surface slope, the departure from periodicity, and the length of the surface illuminated. Experimental
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Eubanks, Charles F., Steven Kmenta, and Kosuke Ishii. "System Behavior Modeling As a Basis for Advanced Failure Modes and Effects Analysis." In ASME 1996 Design Engineering Technical Conferences and Computers in Engineering Conference. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-detc/cie-1340.

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Abstract This paper presents a method for developing a device behavior model to enhance reliability at the early stages of conceptual design. The model facilitates a semi-automated advanced failure modes and effects analysis (FMEA). The model performs analyses and simulations of device behavior, reasons about conditions that depart from desired behaviors, and analyzes the results of those departures. The proposed method rigorously specifies pre- and post-conditions, yet is flexible in the syntax of device operation. The paper shows how the method can capture failures normally missed by existin
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Eubanks, Charles F., Steven Kmenta, and Kosuke Ishii. "Advanced Failure Modes and Effects Analysis Using Behavior Modeling." In ASME 1997 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/detc97/dtm-3872.

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Abstract This paper presents a systematic method applicable at the early stages of design to enhance life-cycle quality of ownership: Advanced Failure Modes and Effect Analysis (AFMEA). The proposed method uses behavior modeling to simulate device operations and helps identify failure and customer dissatisfaction modes beyond component failures. The behavior model reasons about conditions that cause departures from normal operation and provides a framework for analyzing the consequences of failures. The paper shows how Advanced FMEA applies readily to the early stages of design and captures fa
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Toffoli, A., D. Proment, H. Salman, et al. "Rogue Waves in Wind Seas: An Experimental Model in an Annular Wind-Wave Flume." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-61156.

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The probability of occurrence of rogue waves in wind-generated fields is investigated experimentally in an annular wind-wave flume. Unlike many experiments on rogue waves, where waves are mechanically generated, here the wave field is forced naturally by wind as it is in the ocean. The peculiar geometry of the flume makes waves propagating circularly in an unlimited-fetch condition. Water surface elevation was measured at specific cross-sections under the effect of different wind speeds to monitor the temporal evolution of the wave field. Results show that the kurtosis of the surface elevation
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Knowles, Martin. "Gas Turbine Temperature Spread Monitoring Detection of Combustion System Deterioration." In ASME 1994 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1994. http://dx.doi.org/10.1115/94-gt-189.

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Deterioration in the burners or combustion chamber of a gas turbine can result in uneven and unstable air flow and excessive temperature profiles, any of which will produce unnecessary and potentially damaging stress cycles. Detection relies on comparisons of thermocouples located circumferentially at a convenient point in the hot gas path. The techniques usually recommended by engine manufacturers compare absolute values taking no account of any initial asymmetry due to manufacturing tolerances, thermocouple positioning or turbulence of the gas flow at the measurement point. The initial profi
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Robinette, Darrell, Jason Blough, Luke Jurmu, Craig Reynolds, and Andrew Scheich. "Dynamic Characterization of a Twin Plate Torque Converter Clutch During Controlled Slip." In WCX SAE World Congress Experience. SAE International, 2024. http://dx.doi.org/10.4271/2024-01-2715.

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&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;This paper details testing for torque converter clutch (TCC) characterization during steady state and dynamic operation under controlled slip conditions on a dynamometer setup. The subject torque converter under test is a twin plate clutch with a dual stage turbine damper without a centrifugal pendulum absorber. An overview is provided of the dynamometer setup, hydraulic system and control techniques for regulating the apply pressure to the torque converter and clutch. To quantify the performance of the clutch in terms o
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Reports on the topic "Departures from normality"

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Lee, S. L. A sharp upper bound for departure from normality. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/10184297.

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Lee, S. L. Bounds for Departure from Normality and the Frobenius Norm of Matrix Eigenvalues. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/814368.

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Lee, S. L. Bounds for departure from normality and the Frobenius norm of matrix eigenvalues. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/10114083.

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