Dissertations / Theses on the topic 'Mathematics Estimation theory'
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Whaley, Dewey Lonzo. "The Interquartile Range: Theory and Estimation." Digital Commons @ East Tennessee State University, 2005. https://dc.etsu.edu/etd/1030.
Full textHemvanich, Sanha. "GMM estimation for nonignorable missing data : theory and practice." Thesis, University of Warwick, 2007. http://wrap.warwick.ac.uk/1148/.
Full textGaby, James Eliot. "Artificial intelligence applied to spectrum estimation." Thesis, Georgia Institute of Technology, 1991. http://hdl.handle.net/1853/15715.
Full textYoo, Hyungsuk. "Quality of the Volterra transfer function estimation /." Digital version accessible at:, 1998. http://wwwlib.umi.com/cr/utexas/main.
Full textXu, (Bill) Ke. "Efficient parameterization and estimation of spatio-temporal dynamic models /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p3137766.
Full textMupambirei, Rodwel. "Dynamic and robust estimation of risk and return in modern portfolio theory." Master's thesis, University of Cape Town, 2008. http://hdl.handle.net/11427/4913.
Full textIncludes bibliographical references (leaves 134-138).
The portfolio selection method developed by Markowitz gives a rational investor a way of evaluating different investment options in a portfolio using the expected return and variance of the returns. Sharpe uses the same optimization approach but estimates the mean and covariance in a regression framework using the index models. Sharpe makes a crucial assumption that the residuals from different assets are uncorrelated and that the beta estimates are constant. When the Sharpe model parameters are estimated using ordinary least squares, the regression assumptions are violated when there is significant autocorrelation and heteroskedasticity in the residuals. Furthermore, the presence of outlying observations in the data leads to unreliable estimates when the ordinary least squares method is used. We find significant correlation in the residuals from different shares and thus we use the Troskie-Hossain model which relaxes this assumption and ultimately produces an efficient frontier that is almost identical to the Markowitz model. The combination of the GARCH and AR models to remove both autocorrelation and heteroskedasticity is used on the single index model and it causes the efficient frontier to shift significantly to the left. Using dynamic estimation through the Kalman filter, it is noticed that the beta coefficients are not constant and that the resulting efficient frontiers significantly outperform the Sharpe model. In order to deal with the problem of outlying observations in the data, we propose using the Minimum Covariance Determinant, (MCD) estimator as a robust version of the Markowitz formulation. Robust alternatives to the ordinary lea.st squares estimator are also investigated and they all cause the efficient frontier to shift to the left. Finally, to solve the problem of collinearity in the multiple index framework, we construct orthogonal indices using principal components regression to estimate the efficient frontier.
Young, Po-yuk. "Profile of good computational estimators related mathematical variables and common strategies used." [Hong Kong] : University of Hong Kong, 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B14420478.
Full textBellaire, Robert Louis. "Nonlinear estimation with applications to target tracking." Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/15399.
Full textDavis, J. Wade. "Wavelet-based methods for estimation and discrimination /." free to MU campus, to others for purchase, 2003. http://wwwlib.umi.com/cr/mo/fullcit?p3099616.
Full textSong, Changyong. "Function estimation via wavelets in the presence of interval censoring /." free to MU campus, to others for purchase, 1998. http://wwwlib.umi.com/cr/mo/fullcit?p9924927.
Full textAysal, Tuncer Can. "Filtering and estimation theory first-order, polynomial and decentralized signal processing /." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 327 p, 2007. http://proquest.umi.com/pqdweb?did=1257806501&sid=6&Fmt=2&clientId=8331&RQT=309&VName=PQD.
Full textGutknecht, Daniel. "Identification and estimation of nonlinear regression models using control functions." Thesis, University of Warwick, 2012. http://wrap.warwick.ac.uk/50293/.
Full textVolkova, Tanya N. Presmeg Norma C. "Characterizing preservice teachers' thinking in computational estimation with regard to whole numbers, fractions, decimals, and percents." Normal, Ill. : Illinois State University, 2006. http://proquest.umi.com/pqdweb?index=0&did=1276391451&SrchMode=1&sid=6&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1181316122&clientId=43838.
Full textTitle from title page screen, viewed on June 8, 2007. Dissertation Committee: Norma C. Presmeg (chair), Cynthia W. Langrall, Beverly S. Rich, Janet Warfield. Includes bibliographical references (leaves 177-187) and abstract. Also available in print.
Agaba, Peter. "Optimal Control Theory and Estimation of Parameters in a Differential Equation Model for Patients with Lupus." TopSCHOLAR®, 2019. https://digitalcommons.wku.edu/theses/3118.
Full textLarsson, John. "Estimation and Theory of Tangency Portfolio Weights: Evidence from S&P Data." Thesis, Örebro universitet, Institutionen för naturvetenskap och teknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-67483.
Full textChalak, Karim Marwan. "Essays on the definition, identification, and estimation of causal effects." Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2007. http://wwwlib.umi.com/cr/ucsd/fullcit?p3259625.
Full textTitle from first page of PDF file (viewed June 21, 2007). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references.
Al, zghool Raed Ahmad Hasan. "Estimation for state space models quasi-likelihood and asymptotic quasi-likelihood approaches /." Access electronically, 2008. http://ro.uow.edu.au/theses/91.
Full textMaximchuk, Oleg, and Yury Volkov. "Provisions estimation for portfolio of CDO in Gaussian financial environment." Thesis, Högskolan i Halmstad, Tillämpad matematik och fysik (MPE-lab), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-16508.
Full textLiu, Hui. "Performance analysis of DOA estimation algorithms using physical parameters." PDXScholar, 1992. https://pdxscholar.library.pdx.edu/open_access_etds/4362.
Full textDossal, Charles. "Estimation de fonctions géométriques et déconvolution." Phd thesis, Ecole Polytechnique X, 2005. http://tel.archives-ouvertes.fr/tel-00855128.
Full textPousette, Marcus, and Jim Domeij. "Estimation of early termination of financial derivatives." Thesis, KTH, Matematisk statistik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-252568.
Full textFör prissättningen av finansiella derivat har kontraktets längd stor roll i värderingen av risken. Ett kontrakt som sträcker sig över lång tid har mer associerad risk i jämförelse med ett kontrakt som sträcker sig över kort tid, under förutsättningen av att kontraktet i övrigt är detsamma. I detta examensarbete undersöker vi om information om derivaten och kontraktets parter (motparten) kan användas för att med kunna förutspå sannolikheten för att ett kontrakt stängs ner tidigt samt vad den verkliga tidslängden är om så är fallet. Genom att modellera tidpunkten för avslut med hjälp av neurala nätverk och genom att anta sannolikhetsfördelningen för tidpunkten för avslut, fann vi att det är möjligt att förutspå tidpunkten för tidigt avslut signifikant bättre i jämförelse mot att anta att kontraktet alltid lever till dess ursprungliga livslängd.
La, Voie Scott Lewis. "Parameter estimation for a modified cable model using a Green's function and eigenvalue perturbation." [Johnson City, Tenn. : East Tennessee State University], 2003. http://etd-submit.etsu.edu/etd/theses/available/etd-0331103-140715/unrestricted/LaVoieS04162003a.pdf.
Full textTitle from electronic submission form. ETSU ETD database URN: etd-0331103-140715. Includes bibliographical references. Also available via Internet at the UMI web site.
Vascimini, Vincent G. "Simulations Using the Kalman Filter." Bowling Green State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1576685726771127.
Full textRocha, Mário. "The embedding of complete bipartite graphs onto grids with a minimum grid cutwidth." CSUSB ScholarWorks, 2003. https://scholarworks.lib.csusb.edu/etd-project/2311.
Full textMuindi, Pius Matheka. "Interval Estimation for the Ratio of Percentiles from Two Independent Populations." Digital Commons @ East Tennessee State University, 2008. https://dc.etsu.edu/etd/1969.
Full textRemenyi, Norbert. "Contributions to Bayesian wavelet shrinkage." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45898.
Full textRoth, Michael. "Advanced Kalman Filtering Approaches to Bayesian State Estimation." Doctoral thesis, Linköpings universitet, Reglerteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-134867.
Full textWang, Jiaping. "The generalized MLE with the interval centered and masked competing risks data." Diss., Online access via UMI:, 2009.
Find full textChen, Pei. "An investigation of statistical aspects of linear subspace analysis for computer vision applications." Monash University, Dept. of Electrical and Computer Systems Engineering, 2004. http://arrow.monash.edu.au/hdl/1959.1/9705.
Full textKakakhail, Shahkar. "Prédiction et estimation de très faibles taux d'erreur pour des chaînes de communication codées." Phd thesis, Université de Cergy Pontoise, 2010. http://tel.archives-ouvertes.fr/tel-00819416.
Full textBrunel, Victor-Emmanuel. "Non-parametric estimation of convex bodies and convex polytopes." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2014. http://tel.archives-ouvertes.fr/tel-01066977.
Full textLieli, Robert P. "Three essays on the prediction of binary variables /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2004. http://wwwlib.umi.com/cr/ucsd/fullcit?p3130414.
Full textMasiulaitytė, Inga. "Regression and degradation models in reliability theory and survival analysis." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2010. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2010~D_20100527_134956-15325.
Full textDaktaro disertacijos tyrimo objektai yra rezervuotos sistemos ir degradaciniai modeliai. Norint užtikrinti svarbių sistemos elementų aukštą patikimumą, naudojami jų rezerviniai elementai, kurie gali būti įjungiami sugedus šiems pagrindiniams elementams. Rezerviniai elementai gali funkcionuoti skirtinguose režimuose: „karštame“, „šaltame“ arba „šiltame“. Disertacijoje yra nagrinėjamos sistemos su „šiltai“ rezervuotais elementais. Darbe suformuluojama rezervinio elemento „sklandaus įjungimo“ hipotezė ir konstruojami statistiniai kriterijai šiai hipotezei tikrinti. Nagrinėjami neparametrinio ir parametrinio taškinio bei intervalinio vertinimo uždaviniai. Disertacijoje nagrinėjami pakankamai bendri degradacijos modeliai, kurie aprašo elementų gedimų intensyvumą kaip funkciją kiek naudojamų apkrovų, tiek ir degradacijos lygio, kuri savo ruožtu modeliuojama naudojant stochastinius procesus.
Zhao, Yuxin. "Position Estimation in Uncertain Radio Environments and Trajectory Learning." Licentiate thesis, Linköpings universitet, Reglerteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-135425.
Full textJohnson, Natalie. "A Comparative Simulation Study of Robust Estimators of Standard Errors." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1937.pdf.
Full textWilkie, Kathleen P. "Mutual Information Based Methods to Localize Image Registration." Thesis, University of Waterloo, 2005. http://hdl.handle.net/10012/1121.
Full textIn applications such as cancer therapy, diagnosticians are more concerned with the alignment of images over a region of interest such as a cancerous lesion, than over an entire image set. Attempts to register only the regions of interest, defined manually by diagnosticians, fail due to inaccurate mutual information estimation over the region of overlap of these small regions.
This thesis examines the region of union as an alternative to the region of overlap. We demonstrate that the region of union improves the accuracy and reliability of mutual information estimation over small regions.
We also present two new mutual information based similarity measures which allow for localized image registration by combining local and global image information. The new similarity measures are based on convex combinations of the information contained in the regions of interest and the information contained in the global images.
Preliminary results indicate that the proposed similarity measures are capable of localizing image registration. Experiments using medical images from computer tomography and positron emission tomography demonstrate the initial success of these measures.
Finally, in other applications, auto-detection of regions of interest may prove useful and would allow for fully automated localized image registration. We examine methods to automatically detect potential regions of interest based on local activity level and present some encouraging results.
Boedeker, Peter. "Comparison of Heterogeneity and Heterogeneity Interval Estimators in Random-Effects Meta-Analysis." Thesis, University of North Texas, 2018. https://digital.library.unt.edu/ark:/67531/metadc1157553/.
Full textWallman, Kaj Mikael Joakim. "Computational methods for the estimation of cardiac electrophysiological conduction parameters in a patient specific setting." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:2d5573b9-5115-4434-b9c8-60f8d0531f86.
Full textWintenberger, Olivier. "Contributions à la statistique des processus : estimation, prédiction et extrêmes." Habilitation à diriger des recherches, Université Paris Dauphine - Paris IX, 2012. http://tel.archives-ouvertes.fr/tel-00757756.
Full textNilsson, Mattias. "Tail Estimation for Large Insurance Claims, an Extreme Value Approach." Thesis, Linnaeus University, School of Computer Science, Physics and Mathematics, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-7826.
Full textIn this thesis are extreme value theory used to estimate the probability that large insuranceclaims are exceeding a certain threshold. The expected claim size, given that the claimhas exceeded a certain limit, are also estimated. Two different models are used for thispurpose. The first model is based on maximum domain of attraction conditions. A Paretodistribution is used in the other model. Different graphical tools are used to check thevalidity for both models. Länsförsäkring Kronoberg has provided us with insurance datato perform the study.Conclusions, which have been drawn, are that both models seem to be valid and theresults from both models are essential equal.
I detta arbete används extremvärdesteori för att uppskatta sannolikheten att stora försäkringsskadoröverträffar en vis nivå. Även den förväntade storleken på skadan, givetatt skadan överstiger ett visst belopp, uppskattas. Två olika modeller används. Den förstamodellen bygger på antagandet att underliggande slumpvariabler tillhör maximat aven extremvärdesfördelning. I den andra modellen används en Pareto fördelning. Olikagrafiska verktyg används för att besluta om modellernas giltighet. För att kunna genomförastudien har Länsförsäkring Kronoberg ställt upp med försäkringsdata.Slutsatser som dras är att båda modellerna verkar vara giltiga och att resultaten ärlikvärdiga.
Young, Po-yuk, and 楊寶玉. "Profile of good computational estimators related mathematical variables and common strategies used." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1994. http://hub.hku.hk/bib/B31957626.
Full textNguyen, Thi Mong Ngoc. "Estimation récursive pour les modèles semi-paramétriques." Phd thesis, Université Sciences et Technologies - Bordeaux I, 2010. http://tel.archives-ouvertes.fr/tel-00938607.
Full textKhan, Khalid. "The Evaluation of Well-known Effort Estimation Models based on Predictive Accuracy Indicators." Thesis, Blekinge Tekniska Högskola, Sektionen för datavetenskap och kommunikation, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-4778.
Full textBibi, Hatem. "Construction de bases d'ondelettes de $L^2[0,1]$ et estimation du paramètre de longue mémoire par la méthode des ondelettes." Phd thesis, Université Panthéon-Sorbonne - Paris I, 2011. http://tel.archives-ouvertes.fr/tel-00666162.
Full textErhardt, Erik Barry. "Bayesian Simultaneous Intervals for Small Areas: An Application to Mapping Mortality Rates in U.S. Health Service Areas." Link to electronic thesis, 2004. http://www.wpi.edu/Pubs/ETD/Available/etd-0105104-195633/.
Full textKeywords: Poisson-Gamma Regression; MCMC; Bayesian; Small Area Estimation; Simultaneous Inference; Statistics Includes bibliographical references (p. 61-67).
Seck, Cheikh Tidiane. "Estimation non-paramétrique et convergence faible des mesures de pauvreté." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2011. http://tel.archives-ouvertes.fr/tel-00825389.
Full textFeuillard, Vincent. "Analyse d'une base de données pour la calibration d'un code de calcul." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2007. http://tel.archives-ouvertes.fr/tel-00809048.
Full textXu, Hao. "Estimation statistique d'atlas probabiliste avec les données multimodales et son application à la segmentation basée sur l'atlas." Phd thesis, Ecole Polytechnique X, 2014. http://pastel.archives-ouvertes.fr/pastel-00969176.
Full textVareschi, Thomas. "Estimation non-paramétrique dans les problèmes inverses à opérateur bruité." Phd thesis, Université Paris-Diderot - Paris VII, 2013. http://tel.archives-ouvertes.fr/tel-00957985.
Full textCanaud, Matthieu. "Estimation de paramètres et planification d'expériences adaptée aux problèmes de cinétique - Application à la dépollution des fumées en sortie des moteurs." Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2011. http://tel.archives-ouvertes.fr/tel-00677758.
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