Academic literature on the topic 'Preliminary test estimator (PTE)'

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Journal articles on the topic "Preliminary test estimator (PTE)"

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Zakerzadeh, Hojatollah, Ali Akbar Jafari, and Mahdieh Karimi. "Optimal Shrinkage Estimations for the Parameters of Exponential Distribution Based on Record Values." Revista Colombiana de Estadística 39, no. 1 (2016): 33–44. http://dx.doi.org/10.15446/rce.v39n1.55137.

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<p>This paper studies shrinkage estimation after the preliminary test for the parameters of exponential distribution based on record values. The optimal value of shrinkage coefficients is also obtained based on the minimax regret criterion. The maximum likelihood, pre-test, and shrinkage estimators are compared using a simulation study. The results to estimate the scale parameter show that the optimal shrinkage estimator is better than the maximum likelihood estimator in all cases, and when the prior guess is near the true value, the pre-test estimator is better than shrinkage estimator.
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Gupta, V. P., and Umesh Singh. "Preliminary test estimator for life data." Microelectronics Reliability 25, no. 5 (1985): 881–87. http://dx.doi.org/10.1016/s0026-2714(85)80014-7.

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Gaber, Mohamed, and Edward J. Lusk. "A Vetting Protocol for the Analytical Procedures Platform for the AP-Phase of PCAOB Audits." Accounting and Finance Research 8, no. 4 (2019): 43. http://dx.doi.org/10.5430/afr.v8n4p43.

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Study Context AS5[2017], issued by the Public Company Accounting Oversight Board, requires the use of Analytical Procedures [AP] at the Planning and Substantive Phases of Assurance Audits of firms traded on active exchanges. Logically, an aspect of this requirement is satisfied by using a Panel of the Client’s data at the Planning Phase to forecast the Client’s YE-closing values and then at the Substantive Phase to dispose the directional difference between the: [Actual Client’s YE-value and the AP-Forecasted YE-value]—the Disposition Phase. Research Focus To date, neither the PCAOB nor the AI
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Ahmed, S. E., and R. J. Kulperger. "Asymptotic confidence intervals from a preliminary test estimator." Environmetrics 1, no. 3 (2007): 295–303. http://dx.doi.org/10.1002/env.3170010304.

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Kulperger, R. J., and S. E. Ahmed. "A bootstrap theorem for a preliminary test estimator." Communications in Statistics - Theory and Methods 21, no. 7 (1992): 2071–82. http://dx.doi.org/10.1080/03610929208830898.

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Gupta, A. K., T. Nguyen, and L. Pardo. "Preliminary Phi-divergence test estimator for multinomial probabilities." Computational Statistics & Data Analysis 50, no. 7 (2006): 1749–73. http://dx.doi.org/10.1016/j.csda.2005.02.006.

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Salman, Abbas Najim, and Rana Hadi. "Preliminary test shrinkage estimators for the shape parameter of generalized exponential distribution." International Journal of Applied Mathematical Research 5, no. 4 (2016): 162. http://dx.doi.org/10.14419/ijamr.v5i4.6573.

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The present paper deals with the estimation of the shape parameter α of Generalized Exponential GE (α, λ) distribution when the scale parameter λ is known, by using preliminary test single stage shrinkage (SSS) estimator when a prior knowledge available about the shape parameter as initial value due past experiences as well as optimal region R for accepting this prior knowledge.The Expressions for the Bias [B (.)], Mean Squared Error [MSE] and Relative Efficiency [R.Eff (.)] for the proposed estimator is derived.Numerical results about conduct of the considered estimator are discussed include
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Arumairajan, Sivarajah, and Pushpakanthie Wijekoon. "Preliminary Test Stochastic Restricted r-k Class Estimator and Preliminary Test Stochastic Restricted r-d Class Estimator in Linear Regression Model." British Journal of Mathematics & Computer Science 5, no. 2 (2015): 204–27. http://dx.doi.org/10.9734/bjmcs/2015/13781.

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Johri, S. K., and V. P. Gupta. "Preliminary test estimator of average life in a life test experiment." Microelectronics Reliability 33, no. 1 (1993): 27–31. http://dx.doi.org/10.1016/0026-2714(93)90040-6.

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Hoque, Zahirul, Shahjahan Khan, and Jacek Wesolowski. "Performance of Preliminary Test Estimator Under Linex Loss Function." Communications in Statistics - Theory and Methods 38, no. 2 (2009): 252–61. http://dx.doi.org/10.1080/03610920802192471.

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Dissertations / Theses on the topic "Preliminary test estimator (PTE)"

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Hoque, Zahirul. "Improved estimation for linear models under different loss functions." University of Southern Queensland, Faculty of Sciences, 2004. http://eprints.usq.edu.au/archive/00001438/.

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This thesis investigates improved estimators of the parameters of the linear regression models with normal errors, under sample and non-sample prior information about the value of the parameters. The estimators considered are the unrestricted estimator (UE), restricted estimator (RE), shrinkage restricted estimator (SRE), preliminary test estimator (PTE), shrinkage preliminary test estimator (SPTE), and shrinkage estimator (SE). The performances of the estimators are investigated with respect to bias, squared error and linex loss. For the analyses of the risk functions of the estimators, analy
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Kleyn, Judith. "The performance of the preliminary test estimator under different loss functions." Thesis, University of Pretoria, 2014. http://hdl.handle.net/2263/43132.

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In this thesis different situations are considered in which the preliminary test estimator is applied and the performance of the preliminary test estimator under different proposed loss functions, namely the reflected normal , linear exponential (LINEX) and bounded LINEX (BLINEX) loss functions is evaluated. In order to motivate the use of the BLINEX loss function rather than the reflected normal loss or the LINEX loss function, the risk for the preliminary test estimator and its component estimators derived under BLINEX loss is compared to the risk of the preliminary test estimator and
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Conference papers on the topic "Preliminary test estimator (PTE)"

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Lazić, Matilda, Dragan Halas, Duško Salemović, and Aleksandar Dedić. "Application of Burning Test for Fast Identification of Types of PVC-Based Polymer Materials." In 34th International Congress on Process Industry. SMEITS, 2021. http://dx.doi.org/10.24094/ptk.021.34.1.77.

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The paper examines the possibility of applying the burning test, as a fast method for the identification of un-plasticized (rigid) and plasticized (flexible) PVC-based polymer materials. Samples of packaging for food products and samples of garden hoses were tested, for which, based on the imprinted identification/recycling code i.e., the manufacturer's specification, it was assumed that they were made of polymer materials based on PVC. It was assumed that by applying the burning test, a preliminary identification of PVC types from which the tested samples were made could be performed. It is a
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Matsuo, Kazuya, Koji Takahashi, and Kyohei Sato. "Influences of Cyclic Pre-Overload on Low Cycle Fatigue Behaviours of Elbow Pipe." In ASME 2011 Pressure Vessels and Piping Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/pvp2011-57581.

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Low cycle fatigue tests were conducted using sound elbows made of carbon steel (STPT410). The elbows were subjected to cyclic in-plane bending under displacement control with internal pressure of 9 MPa. The preliminary fatigue tests were conducted under constant cyclic displacements. Then, two test conditions were adopted to investigate the influence of cyclic pre-overload on low cycle behavior of elbow on the basis of the preliminary test results. The fatigue test results were evaluated by using the total usage factor UFTotal (= UFpre+UFpost), where the UFpre and UFpost correspond to usage fa
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Rao, S. B., R. C. Noss, D. R. McPherson, and E. C. DeMeter. "Gear Tooth Impact Testing." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/ptg-48027.

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It is very difficult, if not impossible, to estimate the impact resistance of gear teeth from standard impact test data. This is because of the in-homogenous nature of most gear teeth, with a high-Carbon case and a low-Carbon core, and its complex geometry. While gears are subject to impact loading in “real life” and current research efforts are significantly focused on developing alternate materials for gears, in a variety of applications, a need to characterize the impact resistance of a gear tooth under varying strain rates has consequently arisen. In order to meet this need an existing dro
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Tonti, Andrea, Stefan Holmström, Daniela Lega, et al. "Small Punch Testing on High Chromium Steels." In ASME 2016 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/pvp2016-63652.

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The Small Punch test is a miniaturized non-intrusive methodology that allows performing creep tests using very small specimens. It can be used for the residual lifetime assessment of in service components. In the last years, numerous applications of Small Punch Testing as well as related pre-normative work and Round Robin exercises have led to new insights which motivate a revision of the current Code of Practice for Small Punch Testing (CWA 15627, Dec. 2007) and/or its transfer in an EN norm. In this paper we present the state-of-art of the small punch technique: its performances, usefulness
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Elmi, Carlo Alberto, Fabio Agnolio, Roberto Ferraro, Anne Menard, Hauke Reese, and Antonio Andreini. "Development of an Integrated Procedure for Combustor Aero-Thermal Preliminary Design." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-16003.

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Abstract In the development of an aero-engine combustor, the definition of a preliminary design is a practice in which know-how, product experience and design rules are focal in deriving a configuration able to meet the functional requirements. Several configurations, and hence multiple geometries resulting in different behaviours, are iteratively analysed in this phase to extensively explore the design space. In this context, an automated procedure ranging from preliminary design to life estimation is necessary and crucial. A framework in which the tools employed in the design workflow are in
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Heng, Piseth, Hugues Somja, and Mohammed Hjiaj. "Experimental study on in-plane capacities of composite steel-concrete floor." In 12th international conference on ‘Advances in Steel-Concrete Composite Structures’ - ASCCS 2018. Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/asccs2018.2018.6987.

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In steel frame structures, composite floor is an important element that plays a significant role in contributing to lateral stability. Its working role in the in-plane action is to transfer lateral loads, such as wind loads and seismic loads, to vertical load-resisting members. Such load transferring process depends on the in-plane capacities of the floor, which can be reduced after being subjected to explosion. However, the remaining capacities have not been previously studied yet in the literature. This paper presents an experimental investigation on the initial and residual in-plane capacit
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Sripathi, Mohan, Sundar Krishnaswami, Allen M. Danis, and Shih-Yang Hsieh. "Laminar Flamelet Based NOx Predictions for Gas Turbine Combustors." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-27258.

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Stringent emissions regulations have led engine manufacturers to focus on fuel-efficient low emission technologies. Basic understanding and modeling of fundamental mechanisms governing formation and destruction of NOx, CO and UHC is essential to reduce pollutant emissions. Recent advances in turbulent combustion modeling have enabled designers to use CFD as a design tool for evaluating low emission concepts at the conceptual design phase. Prediction of pollutant NOx for gas turbine combustors has proven successful for design validation applications. The challenge is to provide quick and accura
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