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Thèses sur le sujet « Impact Estimation »

Auteur : Grafiati

Publié le 2 juin 2025

Mis à jour le 31 juillet 2025

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1

Brodie, Lindsey. "Impact estimation : IT priority decisions." Thesis, Middlesex University, 2015. http://eprints.mdx.ac.uk/18408/.

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Given resource constraints, prioritization is a fundamental process within systems engineering to decide what to implement. However, there is little guidance about this process and existing IT prioritization methods have several problems, including failing to adequately cater for stakeholder value. In response to these issues, this research proposes an extension to an existing prioritization method, Impact Estimation (IE) to create Value Impact Estimation (VIE). VIE extends IE to cater for multiple stakeholder viewpoints and to move towards better capture of explicit stakeholder value. The use

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Malik, M. A. A. "Limit order book dynamics and market impact estimation." Thesis, University of Essex, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.571506.

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This thesis focuses on two closely related areas of liquidity and market impact. The historic limit order book of Stock Exchange Trading Sys- tem (SETS) operated by the London Stock Exchange (LSE) is rebuilt using this framework for empirical analysis of information contained in the limit order book. The concept of Notional Volume Weighted Average Price (NVWAP) is introduced to construct liquidity supply and demand curves based on real time bid and ask schedules of the full length of the limit or- der book. This unique approach is used to determine how the order book behaves and I find consist

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3

Divelbiss, David L. "Evaluation of the Impact of Product Detail on the Accuracy of Cost Estimates." Ohio University / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1127165055.

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Shropshire, Kevin O'Neil. "Impact of Ignoring Nested Data Structures on Ability Estimation." Diss., Virginia Tech, 2014. http://hdl.handle.net/10919/64197.

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The literature is clear that intentional or unintentional clustering of data elements typically results in the inflation of the estimated standard error of fixed parameter estimates. This study is unique in that it examines the impact of multilevel data structures on subject ability which are random effect predictions known as empirical Bayes estimates in the one-parameter IRT / Rasch model. The literature on the impact of complex survey design on latent trait models is mixed and there is no "best practice" established regarding how to handle this situation. A simulation study was conducted

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5

Jain, Payal. "On the Impact of Channel and Channel Quality Estimation on Adaptive Modulation." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/36072.

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The rapid growth in wireless communications has given rise to an increasing demand for channel capacity using limited bandwidth. Wireless channels vary over time due to fading and changing interference conditions. Typical wireless systems are designed by choosing a modulation scheme to meet worst case conditions and thus rely on power control to adapt to changing channel conditions. Adaptive modulation, however, exploits these channel variations to improve the spectral efficiency of wireless communications by intelligently changing the modulation scheme based on channel conditions. Necessar

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Menon, Rekha. "Impact of Channel Estimation Errors on Space Time Trellis Codes." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/36490.

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<p>Space Time Trellis Coding (STTC) is a unique technique that combines the use of multiple transmit antennas with channel coding. This scheme provides capacity benefits in fading channels, and helps in improving the data rate and reliability of wireless communication. STTC schemes have been primarily designed assuming perfect channel estimates to be available at the receiver. However, in practical wireless systems, this is never the case. The noisy wireless channel precludes an exact characterization of channel coefficients. Even near-perfect channel estimates can necessitate huge overhead in

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7

Foulser-Piggott, Roxane. "The impact of ground motion uncertainty on earthquake loss estimation." Thesis, Imperial College London, 2012. http://hdl.handle.net/10044/1/9751.

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This thesis examines the ground motion prediction component of earthquake loss estimation (ELE) frameworks and is based on the assertion that reducing the uncertainty in ground motion prediction will result in improved accuracy of loss estimates. The objective is to obtain improved ground motion predictions by identifying and quantifying the sources of uncertainty in the predictions, with particular focus on the portion of the uncertainty that can be reduced. The work presented in this thesis starts with an examination of ground motion measures commonly used in ELE and their relative utility.

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8

Varas, Jaime Armando. "Employment of neural networks in the estimation of impact parameters." Thesis, The University of Sydney, 2002. https://hdl.handle.net/2123/27885.

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In this study, we employed a two-stage backpropagation neural network (NNW) to estimate the impact parameter (b) of heavy-ion collisions. Using Monte-Carlo (MC) generated Pb-Pb events at 160 GeV/nucleon we employed three observables from each event to train the NNW. The generated events were target-projectile in nature, from which the charged pion multiplicity (MULT), largest spectator fragment (ZMAX) and charge flow in the forward direction (sz) were used as input signals for the NNW. A statistical approach that employed the weighted mean of the three inputs to estimate b was used as

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Collin, Jean E. 1978. "Impact of aerothermal modeling on the estimation of turbine blade life." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/30301.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2004.<br>Includes bibliographical references (p. 147-154).<br>The impact of aerothermal modeling on estimates of turbine blade heat transfer and life was assessed for three high pressure turbine blades. The work was conducted as part of a project aimed at the evaluation of the effect of variability on turbine life. Pressure and thermal loads were extracted from numerical simulations, postprocessed, and used as external boundary conditions in thermal-structural calculations aimed at the estimation of blade li

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Hu, Shiyin. "Estimation of economic impact of freight distribution due to highway closure." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/44287.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2008.<br>Includes bibliographical references (leaves 64-68).<br>The main aim of this study is to provide a theoretical framework and methodology to estimate and analyze the economic impact of freight disruption due to highway closure. The costs in this study will be classified into three groups: private operating costs for carriers, logistics and scheduling costs, and indirect costs for the market. The resource saving method is used to measure private operating costs for carriers. The stated pre

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11

Bisigello, L., K. I. Caputi, L. Colina, et al. "THE IMPACT OF JWST BROADBAND FILTER CHOICE ON PHOTOMETRIC REDSHIFT ESTIMATION." IOP PUBLISHING LTD, 2016. http://hdl.handle.net/10150/622361.

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The determination of galaxy redshifts in the James Webb Space Telescope's (JWST) blank-field surveys will mostly rely on photometric estimates, based on the data provided by JWST's Near-Infrared Camera (NIRCam) at 0.6-5.0 mu m and Mid Infrared Instrument (MIRI) at lambda > 5.0 mm. In this work we analyze the impact of choosing different combinations of NIRCam and MIRI broadband filters (F070W to F770W), as well as having ancillary data at lambda < 0.6 mu m, on the derived photometric redshifts (z(phot)) of a total of 5921 real and simulated galaxies, with known input redshifts z = 0-10. We fou

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12

Movahedi-Lankarani, Hamid. "Canonical equations of motion and estimation of parameters in the analysis of impact problems." Diss., The University of Arizona, 1988. http://hdl.handle.net/10150/184490.

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The transient dynamic analysis of constrained mechanical systems may require the solution of a mixed set of algebraic and differential equations of motion. The usual formulation of these equations is expressed in terms of the accelerations of the system components. A canonical form of the equations of motion in terms of the system velocities and the time derivative of the system momenta may be used instead. This is a natural form of the equations in which all the state variables are explicitly expressed, and have the same physical importance. The numerical solution obtained from the canonical

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Pun, Chiu-ho. "Estimation of the impact of patterning error on MOSFET by conformal mapping." Click to view the E-thesis via HKUTO, 2004. http://sunzi.lib.hku.hk/hkuto/record/B30730831.

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Sterner, Eva. "Green procurement of buildings : estimation of life-cycle cost and environmental impact /." Luleå, 2002. http://epubl.luth.se/1402-1544/2002/09/index.html.

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Pun, Chiu-ho, and 潘昭豪. "Estimation of the impact of patterning error on MOSFET by conformal mapping." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B30730831.

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POURCHET, HENRY CLAUDIO PEREIRA. "ESTIMATION OF EXPORT EQUATIONS BY SECTORS: A RESEARCH ON EXCHANGE RATE IMPACT." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2003. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=4426@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>O objeto desta dissertação é investigar o impacto do câmbio em diversos setores de exportação no Brasil, utilizando equações econométricas uniequacionais. Em particular, é utilizado o modelo em defasagens autoregressivas distribuídas (ADL) para obtenção das elasticidades de longo prazo. A dinâmica de curto prazo é obtida sob a forma de um modelo de correção de erros (ECM). São estimadas seis formas alternativas para a equação das exportações, as quais se diferenciam pelas medidas de câmbio (três) e renda mundial (duas) utilizadas. A

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de, Sousa Eudes Alves 1959. "Impact of geology on ore grade estimation of a porphyry copper deposit." Thesis, The University of Arizona, 1990. http://hdl.handle.net/10150/277264.

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Accurate ore estimation processes are of crucial importance in the mining scenario. Over the last 20 years, one practical approach to improve ore grade estimation has encouraged the need to incorporate the geology of the ore deposit being estimated in the estimation process. The objective of this study is to investigate the impact of the geology on the kriging estimation of the ore grade of a portion of a porphyry copper deposit. Preliminary data analysis demonstrates the need to perform a subsequent variogram modeling and kriging estimation of the ore grade by rock type separation. Global and

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18

Eriksson, Johan. "Experimental and numerical studies of nonsmooth mechanical systems : applications of dimension estimation." Licentiate thesis, Stockholm, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-288.

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Sturm, Joseph P. "Analysis of cost estimation disclosure in environmental impact statements for surface transportation projects." Connect to this title online, 2007. http://etd.lib.clemson.edu/documents/1202501316/.

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Thesis (M.S.) -- Clemson University, 2007.<br>Title from first page of PDF file. Document formatted into pages; contains ix, 57 p. ; also includes graphics (chiefly col.). Contains 2 additional supplemental files.

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Mitchell, Shira Arkin. "Capture-recapture Estimation for Conflict Data and Hierarchical Models for Program Impact Evaluation." Thesis, Harvard University, 2014. http://dissertations.umi.com/gsas.harvard:11586.

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A relatively recent increase in the popularity of evidence-based activism has created a higher demand for statisticians to work on human rights and economic development projects. The statistical challenges of revealing patterns of violence in armed conflict require efficient use of the data, and careful consideration of the implications of modeling decisions on estimates. Impact evaluation of a complex economic development project requires a careful consideration of causality and transparency to donors and beneficiaries. In this dissertation, I compare marginal and conditional models for ca

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21

Khalid, Abd Ghani. "Hedonic price estimation of the financial impact of obsolescence on commercial property buildings." Thesis, University of Reading, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333879.

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22

Doppler, Lionel. "Radiative transfer code : applications to the estimation of the radiative impact of aerosols." Paris 6, 2013. http://www.theses.fr/2013PA066254.

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Le code de transfert radiatif MOMO (Matrix-Operator Model) a été étendu de la bande spectrale des courte ondes ([200 – 4000 nm]) au spectre complet des radiations solaires, terrestres et atmosphériques ([0. 2 - 100 μm]). Le but de cette extension est de disposer d’un outil de transfert radiatif versatile utilisable pour tous types d’études radiatives (inversion de mesures, programmation et calibration de méthodes instrumentales, estimations de flux radiatifs) et sans limitation spectrale. L’extension de MOMO a conduit au développement d’autres outils numériques de transfert radiatif, dans le d

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23

Xie, Qing. "The impact of collateral information on ability estimation in an adaptive test battery." Diss., University of Iowa, 2019. https://ir.uiowa.edu/etd/6890.

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The advantages of administering an adaptive test battery, a collection of multiple adaptive subtests that are specifically tailored to examinees’ abilities, include shortening the subtest length and maintaining the accuracy of individual subtest scores. The test battery can incorporate a range of subjects, though this study focused primarily on Math and Reading. This study compared different ways of incorporating collateral information (CI), supplementary information beyond examinees’ current test performance, under two frameworks (Unidimensional and Multidimensional computerized adaptive test

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Pei, Jiantao, and n/a. "The Accuracy of Time-to-Contact Estimation in the Prediction Motion Paradigm." University of Canberra. Applied Science, 2002. http://erl.canberra.edu.au./public/adt-AUC20050627.143329.

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This thesis is concerned with the accuracy of our estimation of time to make contact with an approaching object as measured by the “Prediction Motion” (PM) technique. The PM task has commonly been used to measure the ability to judge time to contact (TTC). In a PM task, the observer's view of the target is occluded for some period leading up to the moment of impact. The length of the occlusion period is varied and the observer signals the moment of impact by pressing a response key. The interval separating the moment of occlusion and the response is interpreted as the observer's estimate of TT

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Klytchnikova, Irina. "Methodology and estimation of the welfare impact of energy reforms on households in Azerbaijan." College Park, Md. : University of Maryland, 2006. http://hdl.handle.net/1903/3658.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2006.<br>Thesis research directed by: Agricultural and Resource Economics. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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26

Larsen, Michael David. "Studies on the performance and impact of channel estimation in MIMO and OFDM systems /." Diss., CLICK HERE for online access, 2010. http://contentdm.lib.byu.edu/ETD/image/etd3331.pdf.

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Larsen, Michael David. "Studies on the Performance and Impact of Channel Estimation in MIMO and OFDM Systems." BYU ScholarsArchive, 2009. https://scholarsarchive.byu.edu/etd/1951.

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The need for reliable, high-throughput, mobile wireless communication technologies has never been greater as increases in the demand for on-the-go access to information, entertainment, and other electronic services continues. Two such technologies, which are at the forefront of current research efforts, are orthogonal frequency division multiplexing (OFDM) and multiple-input multiple-output (MIMO) systems, their union being known simply as MIMO-OFDM. The successful performance of these technologies depends upon the availability of accurate information concerning the wireless communication chan

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Babatunde, John Akanbi. "Assessing the Impact of an ESL/bilingual Program by Means of Instrumental Variable Estimation." PDXScholar, 1993. https://pdxscholar.library.pdx.edu/open_access_etds/4608.

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The purpose of this study was to assess the impact of the Portland (Oregon) public school district's ESL/bilingual program on the academic performance of limited English proficiency (IEP) students. The study attempted to correct a statistical bias that might lead to underestimating the effectiveness of ESL/bilingual programs. This statistical bias is caused by a negative correlation between student achievement and the characteristics which result in a student being placed in the ESL/bilingual program. Several variables and proxies representing characteristics of the school, the neighborhood, a

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Jankowiak, Isabelle. "Surveillance des aérosols désertiques à partir de l'imagerie METEOSAT et estimation de leur impact radiatif." Lille 1, 1992. http://www.theses.fr/1992LIL10029.

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La composante en aérosols de l'atmosphère est actuellement mal estimée bien qu'elle soit reconnue comme importante dans les processus climatiques et dans les cycles biogéochimiques. Etant très variable dans le temps et dans l'espace, elle nécessite une surveillance à l'échelle globale qu'il est difficile d'obtenir à partir de mesures de surface. Par contre, le satellite est un outil très bien adapté à ce genre de problèmes à condition de pouvoir relier quantitativement le signal satellitaire au contenu en aérosols présent dans l'atmosphère. Ce travail est consacré à l'étude d'un type d'aérosol

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Ye, Yun. "Integrated decision support for architecture & supplier identification in early complex system design." Thesis, Châtenay-Malabry, Ecole centrale de Paris, 2014. http://www.theses.fr/2014ECAP0052/document.

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Afin de combiner les avantages de la normalisation et de la personnalisation, «la conception modulaire » est utilisée de plus en plus par les OEMs (Original Equipment Manufacturers) dans le développement de systèmes complexes. Différente de la conception traditionnelle, la conception modulaire confie l’entière responsabilité d’un module aux fournisseurs principaux. Dans ce cas, les fournisseurs commencent à collaborer avec les OEMs beaucoup plus tôt dans le processus de conception, et participent à la conception des systèmes depuis la phase de la conception conceptuelle. Avec une approche « co

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ERMIDORO, Michele. "Control and estimation problems based on inertial measurements in industrial mechatronic systems." Doctoral thesis, Università degli studi di Bergamo, 2015. http://hdl.handle.net/10446/33696.

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The price of inertial platforms (based on MEMS sensors) is dropping, permitting the use of these sensors in various field, like, for instance, the industrial one. The inertial measurements can be used raw or can be elaborated in order to obtain high level information like the orientation of an object. The thesis approach the problem of using the inertial platforms firstly as orientation sensor, showing some algorithms for the estimation, and then as a way to increase the performance of a mechatronic system. The first application shows an innovative anti sway system for bridge crane, which use

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Wermelinger, Martin. "What's the Impact of the Environmental Sector? A Simultaneous Estimation of the Extended Environmental Kuznets Curve /." St. Gallen, 2008. http://www.biblio.unisg.ch/org/biblio/edoc.nsf/wwwDisplayIdentifier/03413796001/$FILE/03413796001.pdf.

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Kinnaert, Xavier. "Data processing of induced seismicity : estimation of errors and of their impact on geothermal reservoir models." Thesis, Strasbourg, 2016. http://www.theses.fr/2016STRAH013/document.

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La localisation de séismes induits ainsi que les mécanismes au foyer associés sont des outils fréquemment utilisés afin, entre autres, d’imager la structure d’un réservoir. Cette thèse présente une technique permettant de quantifier les erreurs associées à ces deux paramètres. Par cette méthode, incertitudes et imprécisions sont distinguées. La méthode a été appliquée aux sites de Soultz et de Rittershoffen pour étudier l’impact de plusieurs critères sur la localisation de la sismicité induite. Ainsi, il a été montré que l’utilisation de capteurs installés profondément dans des puits et qu’une

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Doppler, Lionel [Verfasser]. "Radiative transfer code development : Applications to the estimation of the radiative impact of aerosols / Lionel Doppler." Berlin : Freie Universität Berlin, 2013. http://d-nb.info/1038412846/34.

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Sourial, Nadia. "Impact of uncertainty in the onset time of disease on the estimation of the survival function." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=80877.

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The analysis of interval censored and truncated survival data is reviewed with the addition of many details omitted in the literature. Careful attention is paid to the derivation of the likelihood in the nonparametric setting and to the assumptions under which the likelihood is valid. In addition, we explore the details of a self-consistency algorithm used to numerically obtain survival estimates. We demonstrate how these methods can be adapted when there is uncertainty in the onset time by application to data from the Canadian Study of Health and Aging. The results are compared with th

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Кубатко, Олександр Васильович, Александр Васильевич Кубатко, Oleksandr Vasylovych Kubatko, et al. "Estimation of the coronavirus crisis impact on the energy and economic security of the national economy." Thesis, Sumy State University, 2020. https://essuir.sumdu.edu.ua/handle/123456789/81037.

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Енергетична безпека держави є важливою складовою її економічної безпеки. У свою чергу, енергетична безпека визначається стабільністю енергетичного сектору, які повинні постійно задовольняти виробництво енергії та потреби споживачів підприємств та населення.<br>Энергетическая безопасность государства - важная составляющая его экономической безопасности. В свою очередь, энергетическая безопасность определяется стабильностью энергетического сектора, которые должны постоянно обеспечивать производство энергии и потребности потребителей предприятий и населения.<br>The energy security of the state is

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Nilsson, Nathalie, and Linn Bencker. "Exploring Impact of Project Size in Effort Estimation : A Case Study of Large Software Development Projects." Thesis, Blekinge Tekniska Högskola, Institutionen för industriell ekonomi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-21970.

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Background: Effort estimation is one of the cornerstones in project management with the purpose of creating efficient planning and the ability to keep budgets. Despite the extensive research done within this area, one of the biggest and most complex problems in project management within software development is still considered to be the estimation process. Objectives: The main objectives of this thesis were threefold: i) firstly to define the characteristics for a large project, ii) secondly to identify factors causing inaccurate effort estimates and iii) lastly to understand how the identifie

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Mousavi, Amir. "A novel method for trip generation estimation using a prominent land use as a case study." Thesis, Queensland University of Technology, 2016. https://eprints.qut.edu.au/98263/1/Amir_Mousavi_Thesis.pdf.

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This research provided a new method for modelling development’s traffic generation for each mode of transport by considering trip chaining effects utilising urban form and socio-demographic related indicators in a suburb scale. Estimating traffic generation by using this method shows better performance compared to the conventional methods for traffic generation estimation. The methodology of this research can be transferred to other transport modelling endeavours and the variables can be used as transport attributes in other traffic and transport-related studies. This method will also contribu

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Debchoudhury, Shantanab. "Parameter Estimation from Retarding Potential Analyzers in the Presence of Realistic Noise." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/88466.

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Retarding Potential Analyzers (RPA) have a rich flight heritage. These instruments are largely popular since a single current-voltage (I-V) profile can provide in-situ measurements of ion temperature, velocity and composition. The estimation of parameters from an RPA I-V curve is affected by grid geometries and non-ideal biasing which have been studied in the past. In this dissertation, we explore the uncertainties associated with estimated ion parameters from an RPA in the presence of instrument noise. Simulated noisy I-V curves representative of those expected from a mid-inclination low Eart

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Gaudreault, Rémi. "Estimation temporelle et processus préparatoires : Impact de la durée objective et des consignes relatives aux stratégies employées." Thesis, Université Laval, 2012. http://www.theses.ulaval.ca/2012/28774/28774.pdf.

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Garritsen, Christy. "The impact of DNA parentage verification on EBV estimation and sire ranking in South African Angora goats." Diss., University of Pretoria, 2013. http://hdl.handle.net/2263/79236.

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South Africa is the world’s largest mohair-producing country, contributing over 50% of the world’s mohair, and therefore genetic improvement of Angora goats in South Africa is imperative in order to maintain this position in the market and the quality of the mohair clip. Pedigree integrity is vital for the success of any breeding programme. DNA parentage testing has become a useful tool in amending inaccuracies in on-farm records of various species. Previous studies have determined that errors in pedigree records may have a negative effect of up to 15% on genetic improvement in livestock. In t

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Башлак, Ірина Анатоліївна, Ирина Анатольевна Башлак, Iryna Anatoliivna Bashlak, and Y. O. Nasemtseva. "Estimation of environmental capacity for industrial impact based on life cycle assessment (lca) and process chain analysis." Thesis, Видавництво СумДУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/13313.

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A Life Cycle Assessment (LCA) enables organisations to analyse the entire life cycle of their products or services with regard to their environmental impacts and to display these anaylses in a transparent way. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/13313

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Kilaru, Prabhu Kiran. "Estimation of carbon emissions from municipal solid waste and determination of the impact of recycling on emissions." University of Toledo / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1290133362.

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Maniparambil-Eapen, Abraham. "The Impact of Non-Reading Language Performance on the Estimation of Premorbid IQ among Normal Elderly Individuals." Wright State University Professional Psychology Program / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=wsupsych1309450983.

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Goliath, Jesse Roberto. "Variation in Osteon Circularity and Its Impact on Estimating Age at Death." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1273762376.

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Hibbard, Daniel James. "The Impact of Signal Bandwidth on Indoor Wireless Systems in Dense Multipath Environments." Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/9945.

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Recently there has been a significant amount of interest in the area of wideband and ultra-wideband (UWB) signaling for use in indoor wireless systems. This interest is in part motivated by the notion that the use of large bandwidth signals makes systems less sensitive to the degrading effects of multipath propagation. By reducing the sensitivity to multipath, more robust and higher capacity systems can be realized. However, as signal bandwidth is increased, the complexity of a Rake receiver (or other receiver structure) required to capture the available power also increases. In addition, accu

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Zhao, Songnian. "The impact of sample size re-estimation on the type I error rate in the analysis of a continuous end-point." Kansas State University, 2017. http://hdl.handle.net/2097/35326.

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Master of Science<br>Department of Statistics<br>Christopher Vahl<br>Sample size estimation is generally based on assumptions made during the planning stage of a clinical trial. Often, there is limited information available to estimate the initial sample size. This may result in a poor estimate. For instance, an insufficient sample size may not have the capability to produce statistically significant results, while an over-sized study will lead to a waste of resources or even ethical issues in that too many patients are exposed to potentially ineffective treatments. Therefore, an interim analy

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Ren, Weijia. "Impact of Design Features for Cross-Classified Logistic Models When the Cross-Classification Structure Is Ignored." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1322538958.

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Ensign, Christopher J. "Cashing In On Dying Early?: The Impact of Error Terms on the Estimation of the External Costs of Smoking." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/32553.

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Cigarette taxation is a topic which economists have focused on for years. The purpose of the cigarette tax is to force individuals who engage in risky activities to pay for the negative externalities caused by said activities. In the case of cigarette smoking, the notion has been that society as a whole subsidizes the smoking related external expenses through programs such as Medicare, Medicaid and group life and health insurance. At the center of this debate is â Cigarette Taxation and the Social Consequences of Smokingâ by W. Kip Viscusi. Viscusiâ s paper written in 1995 for the NBER pub

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Stiassny, Alfred, and Christina Uhl. "Does Elderly Employment have an Impact on Youth Employment? A General Equilibrium Approach." WU Vienna University of Economics and Business, 2014. http://epub.wu.ac.at/4246/1/wp178.pdf.

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Does an increase of elderly employment cause a decline in youth employment? A simplified view of a demand driven economy would give a positive answer to this question. Econometric studies based on a single equation approach deliver little support for this belief. However, these studies typically suffer from identification problems to which no attention is paid in most cases. We therefore use a general equilibrium framework when trying to quantify these effects. Using yearly and quarterly Austrian labor and gdp data, we estimate two model variants by Bayesian methods: a) a standard equilibrium

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