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Thematische Bibliographien / Research and statistics / Dissertationen

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Dissertationen zum Thema „Research and statistics“

Autor: Grafiati

Veröffentlicht am 28. Juli 2024

Zuletzt aktualisiert am 31. Juli 2025

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1

Slob, Wout. "Strategies in applying statistics in ecological research /." Amsterdam : Free University Press, 1986. http://bibpurl.oclc.org/web/28544.

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2

Corrado, Charles J. "Nonparametric statistical methods in financial market research." Diss., The University of Arizona, 1988. http://hdl.handle.net/10150/184608.

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This dissertation presents an exploration of the use of nonparametric statistical methods based on ranks for use in financial market research. Applications to event study methodology and the estimation of security systematic risk are analyzed using a simulation methodology with actual daily security return data. The results indicate that procedures based on ranks are more efficient than normal theory procedures currently in common use.

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3

Buchan, Iain Edward. "The development of a statistical computer software resource for medical research." Thesis, University of Liverpool, 2000. http://www.manchester.ac.uk/escholar/uk-ac-man-scw:71360.

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Medical research is often weakened by poor statistical practice, and inappropriate use of statistical computer software is part of this problem. The statistical knowledge that medical researchers require has traditionally been gained in both dedicated and ad hoc learning time, often separate from the research processes in which the statistical methods are applied. Computer software, however, can be written to flexibly support statistical practice. The work of this thesis was to explore the possibility of, and if possible, to create, a resource supporting medical researchers in statistical know

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Chiu, Jing-Er. "Applications of bayesian methods to arthritis research /." free to MU campus, to others for purchase, 2001. http://wwwlib.umi.com/cr/mo/fullcit?p3036813.

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5

Schneider, William Ray. "The Relationship Between Statistics Self-Efficacy, Statistics Anxiety, and Performance in an Introductory Graduate Statistics Course." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3335.

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The purpose of this study was to determine the relationship between statistics self-efficacy, statistics anxiety, and performance in introductory graduate statistics courses. The study design compared two statistics self-efficacy measures developed by Finney and Schraw (2003), a statistics anxiety measure developed by Cruise and Wilkins (1980), and a course performance measure. To view self-efficacy from two perspectives, the Current Statistics Self-Efficacy (CSSE) assessed student confidence in their ability to complete specific statistics tasks in the present, whereas Self-Efficacy to Lear

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6

Doyle, Philip Gerard. "Developing statistical literacy with students and teachers in the secondary mathematics classroom." The University of Waikato, 2008. http://hdl.handle.net/10289/2324.

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This thesis investigates the teaching of statistical literacy in the first two years of secondary school mathematics. The teachers involved in the research aim to make changes to classroom practice in the teaching and learning of statistics and statistical literacy in response to changes in the New Zealand curriculum. An action research methodology is adopted by the research. A group of three teachers and the author undertake an action research cycle of planning, observing, acting and reflecting in three different Year 9 and 10 mathematics classrooms. The research documents the designing a

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Zhou, Xinfeng. "Application of robust statistics to asset allocation models." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36231.

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Thesis (S.M.)--Massachusetts Institute of Technology, Sloan School of Management, Operations Research Center, 2006.<br>Includes bibliographical references (p. 105-107).<br>Many strategies for asset allocation involve the computation of expected returns and the covariance or correlation matrix of financial instruments returns. How much of each instrument to own is determined by an attempt to minimize risk (the variance of linear combinations of investments in these financial assets) subject to various constraints such as a given level of return, concentration limits, etc. The expected returns a

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French, Alan Paul. "Specification transformation techniques with applications to operations research." Thesis, University of East Anglia, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293238.

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9

Ndou, Aifheli Amos. "Assessing the statistical methodologies of business research in the South African context." Thesis, Nelson Mandela Metropolitan University, 2011. http://hdl.handle.net/10948/1484.

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The aim of the study is to establish an acceptable classification scheme for the statistical methods used in business research. The approach compares the statistical component of the research and evaluates how it has changed over time and across different journals. If, as expected, the statistical expertise has changed, the change would be identified with the view to recommending curriculum changes for Statistics Departments of South African tertiary institutions.

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Kallus, Nathan. "From data to decisions through new interfaces between optimization and statistics." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/98570.

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Thesis: Ph. D., Massachusetts Institute of Technology, Sloan School of Management, Operations Research Center, 2015.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 283-293).<br>The growing availability of data is creating opportunities for making better decisions, but in many circumstances it is yet unknown how to correctly leverage this data in systematic and optimal ways. In this thesis,

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Khuzwayo, Bhekinkosi. "Understanding the low volatility anomaly in the South African equity market." Master's thesis, University of Cape Town, 2015. http://hdl.handle.net/11427/20256.

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The Capital Asset Pricing Model (CAPM) advocates that expected return has a linear proportional relationship with beta (and subsequently volatility). As such, the higher the systematic risk of a security the higher the CAPM expected return. However, empirical results have hardly supported this view as argued as early as Black (1972). Instead, an anomaly has been evidenced across a multitude of developed and emerging markets, where portfolios constructed to have lower volatility have outperformed their higher volatility counterparts as found by Baker and Haugen (2012). This result has been foun

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12

Toulis, Panagiotis. "Implicit methods for iterative estimation with large data sets." Thesis, Harvard University, 2016. http://nrs.harvard.edu/urn-3:HUL.InstRepos:33493434.

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The ideal estimation method needs to fulfill three requirements: (i) efficient computation, (ii) statistical efficiency, and (iii) numerical stability. The classical stochastic approximation of (Robbins, 1951) is an iterative estimation method, where the current iterate (parameter estimate) is updated according to some discrepancy between what is observed and what is expected assuming the current iterate has the true parameter value. Classical stochastic approximation undoubtedly meets the computation requirement, which explains its widespread popularity, for example, in modern applications of

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Valenzuela, Maria G. "Survey research on communication and language for English language learners and native English speakers enrolled in a college course on statistical literacy." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2009. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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14

Zhang, Yanwei. "A hierarchical Bayesian approach to model spatially correlated binary data with applications to dental research." Diss., Connect to online resource - MSU authorized users, 2008.

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15

Moscovici, Jonathan. "Statistical applications in knowledge translation research implemented through the information assessment method." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=114430.

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Of interest are two knowledge translation [27] research projects conducted by and with the ITPCRG (Information Technology Primary Care Research Group) during the period 2010-2012, as well as their underlying statistical analyses. For physicians, continuing medical education (CME) is a critical activity that helps them acquire new knowledge and keep their practice up to date. In Canada, popular CME programs are structured around the reading of short synopses or summaries of important clinical research on e-mail. After reading one synopsis, the physician completes a short reective exercise, usin

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Ogden, Mitchell. "Communications and Methodologies in Crime Geography: Contemporary Approaches to Disseminating Criminal Incidence and Research." Digital Commons @ East Tennessee State University, 2019. https://dc.etsu.edu/etd/3652.

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Many tools exist to assist law enforcement agencies in mitigating criminal activity. For centuries, academics used statistics in the study of crime and criminals, and more recently, police departments make use of spatial statistics and geographic information systems in that pursuit. Clustering and hot spot methods of analysis are popular in this application for their relative simplicity of interpretation and ease of process. With recent advancements in geospatial technology, it is easier than ever to publicly share data through visual communication tools like web applications and dashboards. S

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Höck, Barbar Katja. "An examination of heuristic algorithms for the travelling salesman problem." Master's thesis, University of Cape Town, 1988. http://hdl.handle.net/11427/22268.

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The role of heuristics in combinatorial optimization is discussed. Published heuristics for the Travelling Salesman Problem (TSP) were reviewed and morphological boxes were used to develop new heuristics for the TSP. New and published heuristics were programmed for symmetric TSPs where the triangle inequality holds, and were tested on micro computer. The best of the quickest heuristics was the furthest insertion heuristic, finding tours 3 to 9% above the best known solutions (2 minutes for 100 nodes). Better results were found by longer running heuristics, e.g. the cheapest angle heuristic (CC

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Gangammanavar, Harsha. "Multiple Timescale Stochastic Optimization with Application to Integrating Renewable Resources in Power Systems." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1376927059.

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19

YU, LIJUN. "Sequential Monte Carlo for Estimating Brain Activity from MEG Data." Case Western Reserve University School of Graduate Studies / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1459528441.

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20

Lindsay, R. M. "The use of tests of significance in accounting research : A methodological, philosophical and empirical inquiry." Thesis, Lancaster University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235155.

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21

Partlett, Christopher. "Asymmetry and other distributional properties in medical research data." Thesis, University of Birmingham, 2015. http://etheses.bham.ac.uk//id/eprint/6348/.

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The central theme of this thesis is to investigate the use of non-parametric methods for making inferences about a random sample with an unknown distribution function. The overarching aim is the development of new methods to make inferences regarding the nature of the unknown distribution to enhance medical research. Initially,the focus is exclusively on the asymmetry of a random variable. In particular, a recently proposed measure of asymmetry provides the foundation for the proposal and development of a new test for symmetry. The potential applications of the test and measure are applied to

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Denk, Michaela, and Peter Hackl. "Data Integration and Record Matching: An Austrian Contribution to Research in Official Statistics." Austrian Statistical Society, 2003. http://epub.wu.ac.at/5632/1/464%2D1378%2D1%2DSM.pdf.

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Data integration techniques are one of the core elements of DIECOFIS, an EU-funded international research project that aims at developing a methodology for the construction of a system of indicators on competitiveness and fiscal impact on enterprise performance. Data integration is also of major interest for official statistics agencies as a means of using available information more efficiently and improving the quality of the agency's products. The Austrian member of the project consortium comprises university departments, representatives from the Bundesanstalt Statistik Austria, from

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Garabedian, Laura Faden. "Quasi-Experimental Health Policy Research: Evaluation of Universal Health Insurance and Methods for Comparative Effectiveness Research." Thesis, Harvard University, 2013. http://dissertations.umi.com/gsas.harvard:10764.

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This dissertation consists of two empirical papers and one methods paper. The first two papers use quasi-experimental methods to evaluate the impact of universal health insurance reform in Massachusetts (MA) and Thailand and the third paper evaluates the validity of a quasi-experimental method used in comparative effectiveness research (CER).

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24

Michell, Justin Walter. "A review of generalized linear models for count data with emphasis on current geospatial procedures." Thesis, Rhodes University, 2016. http://hdl.handle.net/10962/d1019989.

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Analytical problems caused by over-fitting, confounding and non-independence in the data is a major challenge for variable selection. As more variables are tested against a certain data set, there is a greater risk that some will explain the data merely by chance, but will fail to explain new data. The main aim of this study is to employ a systematic and practicable variable selection process for the spatial analysis and mapping of historical malaria risk in Botswana using data collected from the MARA (Mapping Malaria Risk in Africa) project and environmental and climatic datasets from various

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Eiland, E. Earl. "A Coherent Classifier/Prediction/Diagnostic Problem Framework and Relevant Summary Statistics." Thesis, New Mexico Institute of Mining and Technology, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10617960.

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<p> Classification is a ubiquitous decision activity. Regardless of whether it is predicting the future, e.g., a weather forecast, determining an existing state, e.g., a medical diagnosis, or some other activity, classifier outputs drive future actions. Because of their importance, classifier research and development is an active field.</p><p> Regardless of whether one is a classifier developer or an end user, evaluating and comparing classifier output quality is important. Intuitively, classifier evaluation may seem simple, however, it is not. There is a plethora of classifier summary stati

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Green, Stephen. "Validation and extension of the Repertory Grid Technique and Generalised Procrustes Analysis in food acceptability research." Thesis, University of Reading, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333542.

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27

Amoo, Taiwo Lookman. "Application of operational research to fertilizer distribution in a developing country : a case study of Nigeria." Thesis, University of Exeter, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.317397.

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28

Royeen, Charlotte Brasic. "An exploration of parametric versus nonparametric statistics in occupational therapy clinical research." Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/71181.

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Data sets from research in clinical practice professions often do not meet assumptions necessary for appropriate use of parametric statistics (Lezak and Gray, 1984). When assumptions underlying the use of the parametric tests are violated or cannot be documented, the power of the parametric test may be invalidated and consequently, the significance levels inaccurate (Gibbons, 1976). Much research has investigated the relative merits of parametric versus nonparametric procedures using simulation studies, but little has been done using actual data sets from a particular discipline. This study co

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Ikoro, Gibson Okechukwu. "Mathematical modelling of the statistics of communication in social networks." Thesis, Queen Mary, University of London, 2017. http://qmro.qmul.ac.uk/xmlui/handle/123456789/30710.

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Chat rooms are of enormous interest to social network researchers as they are one of the most interactive internet areas. To understand the behaviour of users in a chat room, there have been studies on the analysis of the Response Waiting Time (RWT) based on traditional approaches of aggregating the network contacts. However, real social networks are dynamic and properties such as RWT change over time. Unfortunately, the traditional approach focuses only on static network and neglecting the temporal variation in RWT which may have lead to misrepresentation of the true nature of RWT. In order t

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Chan, Pui-shan, and 陳佩珊. "On the use of multiple imputation in handling missing values in longitudinal studies." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B45009879.

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Abughazaleh, Tareq Ali Ibrahim. "The viability of Weibull analysis of small samples in process manufacturing." Thesis, University of Hertfordshire, 2002. http://hdl.handle.net/2299/14042.

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This research deals with some Statistical Quality Control (SQC) methods, which are used in quality testing. It investigates the problem encountered with statistical process control (SPC) tools when small sample sizes are used. Small sample size testing is a new area of concern especially when using expensive (or large) products, which are produced in small batches (low volume production). Critical literature review and analysis of current technologies and methods in SPC with small samples testing failed to show a conformance with conventional SPC techniques, as the confidence limits for averag

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Miller, Michael Chad. "Global Resource Management of Response Surface Methodology." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/1621.

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Statistical research can be more difficult to plan than other kinds of projects, since the research must adapt as knowledge is gained. This dissertation establishes a formal language and methodology for designing experimental research strategies with limited resources. It is a mathematically rigorous extension of a sequential and adaptive form of statistical research called response surface methodology. It uses sponsor-given information, conditions, and resource constraints to decompose an overall project into individual stages. At each stage, a "parent" decision-maker determines what design o

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Möller, W., M. Helm, V. Heera, and J. Von Borany. "Annual Report 2008 Institute of Ion Beam Physics and Materials Research." Forschungszentrum Dresden, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-27836.

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Helm, M., W. Möller, E. Wieser, H. U. Jäger, and J. von Borany. "Institute of Ion Beam Physics and Materials Research; Annual Report 2000." Forschungszentrum Dresden, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-29752.

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Helm, M., W. Möller, E. Wieser, H. U. Jäger, and J. von Borany. "Institute of Ion Beam Physics and Materials Research; Annual Report 2000." Forschungszentrum Rossendorf, 2001. https://hzdr.qucosa.de/id/qucosa%3A21802.

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Osuagwu, Stanley. "Analyzing Fact Based Preventive Approach to Address Foreign Material Contamination in the Food Industry." Thesis, The George Washington University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10636623.

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<p> Analyzing fact based preventive approach to address foreign material contamination in the food industry is a necessary analysis, focused on using statistical evaluations to analyze the disturbing trend of foreign material food recall in the meat and poultry industry today. Even though recalls due to microbiological contaminations and allergens seem to get more media attention, foreign material meat and poultry food contaminations are also on the rise and the market is starting to show disturbing trends of increasing volumes of products that are recalled due to potential adulteration. </p><

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Bautista, Rene. "An examination of sources of error in exit polls| Nonresponse and measurement error." Thesis, The University of Nebraska - Lincoln, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3715450.

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<p> This dissertation focuses on understudied aspects of nonresponse in a context where limited information is available from refusals. In particular, this study examines social and psychological predictors of nonresponse in fast-paced face-to-face surveys; namely, election day surveys —popularly known as exit polls. Exit polls present unique challenges to study nonresponse since the population being sampled is fleeting and several conditions are beyond the researcher’s control. </p><p> If sample voters choose not participate, there is no practical way of contacting them to coll

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Paciencia, Todd J. "Improving non-linear approaches to anomaly detection, class separation, and visualization." Thesis, Air Force Institute of Technology, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3667806.

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<p> Linear approaches for multivariate data analysis are popular due to their lower complexity, reduced computational time, and easier interpretation. In many cases, linear approaches produce adequate results; however, non-linear methods may generate more robust transformations, features, and decision boundaries. Of course, these non-linear methods present their own unique challenges that often inhibit their use. </p><p> In this research, improvements to existing non-linear techniques are investigated for the purposes of providing better, timely class separation and improved anomaly detectio

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Rauschenberg, David Edward. "Computer-graphical exploration of large data sets from teletraffic." Diss., The University of Arizona, 1994. http://hdl.handle.net/10150/186645.

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The availability of large data sets and powerful computing resources has made data analysis an increasingly viable approach to understanding random processes. Of particular interest are exploratory techniques which provide insight into the local path behavior of highly positively correlated processes. We focus on actual and simulated teletraffic data in the form of time series. Our foremost objective is to develop a methodology of identifying and classifying shape features which are essentially unrecognizable with standard statistical descriptors. Using basic aspects of human vision as a heuri

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Charoenphol, Dares. "Using robust statistical methodology to evaluate the performance of project delivery systems| A case study of horizontal construction." Thesis, The George Washington University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10252878.

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<p> The objective of this study is to demonstrate the application of the bootstrapping M-estimator (a robust Analysis of Variance, ANOVA) to test the null hypotheses of means equality among the cost and schedule performance of the three project delivery systems (PDS). A statistical planned contrast methodology is utilized after the robust ANOVA analysis to further determine where the differences of the means lie. </p><p> The results of this research concluded that traditional PDS (Design-Bid-Build, DBB) outperformed the two alternative PDS (“Design-Build (DB) and Construction Manager/

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Ramasamy, Adaikalavan. "Increasing statistical power and generalizability in genomics microarray research." Thesis, University of Oxford, 2009. http://ora.ox.ac.uk/objects/uuid:81ccede7-a268-4c7a-9bf8-a2b68634846d.

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The high-throughput technologies developed in the last decade have revolutionized the speed of data accumulation in the life sciences. As a result we have very rich and complex data that holds great promise to solving many complex biological questions. One such technology that is very well established and widespread is DNA microarrays, which allows one to simultaneously measure the expression levels of tens of thousands of genes in a biological tissue. This thesis aims to contribute to the development of statistics that allow the end users to obtain robust and meaningful results from DNA micro

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Meilūnaitė, Simona. "Kapiliarinių rankos piešinių tyrimas statistikos metodais." Bachelor's thesis, Lithuanian Academic Libraries Network (LABT), 2010. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2010~D_20100903_001514-95573.

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Mysyk, Jessica Marie. "Supply Chain Operations Planning in a Carbon Cap and Trade Market." Bowling Green State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1587675401823912.

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Chun, So Yeon. "Hybrid is good: stochastic optimization and applied statistics for or." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/44717.

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In the first part of this thesis, we study revenue management in resource exchange alliances. We first show that without an alliance the sellers will tend to price their products too high and sell too little, thereby foregoing potential profit, especially when capacity is large. This provides an economic motivation for interest in alliances, because the hope may be that some of the foregone profit may be captured under an alliance. We then consider a resource exchange alliance, including the effect of the alliance on competition among alliance members. We show that the foregone profit may inde

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Rozum, Michael A. "Effective design augmentation for prediction." Diss., This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-08032007-102232/.

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Wan, Ke. "Estimation of Travel Time Distribution and Travel Time Derivatives." Thesis, Princeton University, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3642164.

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<p>Given the complexity of transportation systems, generating optimal routing decisions is a critical issue. This thesis focuses on how routing decisions can be computed by considering the distribution of travel time and associated risks. More specifically, the routing decision process is modeled in a way that explicitly considers the dependence between the travel times of different links and the risks associated with the volatility of travel time. Furthermore, the computation of this volatility allows for the development of the travel time derivative, which is a financial derivative based on

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Munlo, Isaac. "Critical systems thinking, theory and practice : a case study of an intervention in two British local authorities." Thesis, University of Hull, 1997. http://hydra.hull.ac.uk/resources/hull:5718.

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This thesis reports an intervention informed by critical systems thinking. The intervention drew upon a variety of systems and operational research methods to systemically explore the problems facing housing services for older people. Stakeholders were then supported in developing a response to these problems in the form of an integrated model of user involvement and multi-agency working. The methods used in this study included Cognitive Mapping, Critical Systems Heuristics, Interactive Planning and Viable System Modelling. Following a description of the project and its outcomes, the author's

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Zhang, Chian-fan. "Applying spatial theory to new democracies : a model for analyzing aggregate election data /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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Hoshaw-Woodard, Stacy. "Large sample methods for analyzing longitudinal data in rehabilitation research /." free to MU campus, to others for purchase, 1999. http://wwwlib.umi.com/cr/mo/fullcit?p9946263.

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"The floating landscape: research information and statistics." 2005. http://library.cuhk.edu.hk/record=b5892319.

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Tsui Cheung Wing.<br>"Architecture Department, Chinese University of Hong Kong, Master of Architecture Programme 2004-2005, design report."<br>Thesis Issue --- p.2<br>Thesis Statement --- p.3<br>Case Study --- p.4<br>Sitr Analysis --- p.5<br>Primary Design --- p.8<br>Final Design --- p.10<br>Programme --- p.18<br>Models --- p.20<br>Study Models --- p.22<br>Chapter Appendix --- Design Development Drawings

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