Browse by Subject "Statistics"

  • Junker, Brian William (1988)
    Current achievement and aptitude test modeling--item response theory--is based on the overly-optimistic assumption of local independence: that examinee's responses to different test questions will be independent conditional ...

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  • Zimmer, Michael Frank (1993)
    In this thesis I investigate some statistical mechanical models that have nonequilibrium features either because of: external time-dependent fields; forces not satisfying detailed balance; nonpotential forces.

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  • Faynzilberg, Peter Samuel (1992)
    There are several main contributions of the work presented in this thesis. Specifically, we have: (1) Solved the problem of prediction of heterogeneity of consumer population in terms of choice behavior when the market ...

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  • Koehly, Laura Marie (1996)
    Structural analysis of social networks using statistical techniques has been evolving into sophisticated models for the last 60 years. These statistical models and techniques have been predominantly concerned with the ...

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  • Robbin, Alice (Graduate School of Library and Information Science. University of Illinois at Urbana-Champaign., 1983)

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  • Amir, Abdelmadjid (1990)
    We show the almost sure uniform pathwise convergence of birth and death processes and random walks to Brownian motion with drift and sticky Brownian motion. We thus provide constructive definitions of such diffusions. In ...

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  • Nunes, Luis Miguel Rainho Catela (1994)
    This thesis contains a discussion of three problems related to structural changes and unit-roots in time-series analysis. First, it is shown under which conditions it is possible to consistently estimate the break date in ...

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  • Donovan, Brian Patrick (2015-04-23)
    This thesis proposes a method to quantitatively measure the resilience of transportation systems using GPS data from taxis. The granularity of the GPS data necessary for this analysis is relatively coarse; it only requires ...

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  • Guerrero, Jose Luis (1991)
    A theoretical framework is proposed for multivariate quality control based on multivariate statistical analysis and information-theoretical measures. A flow chart is proposed to determine whether the process is in control ...

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  • Douglas, Jeffrey A. (1995)
    The simultaneous and nonparametric estimation of latent abilities and item characteristic curves is considered. In particular, the joint asymptotic properties of ordinal ability estimation and kernel smoothed nonparametric ...

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  • Mahar, Carol Lee (1992)
    A multitude of studies conducted on advance organizer effectiveness during the 1980-1990 time period were systematically examined, evaluated, and compared to studies carried out prior to 1979. In spite of wide variation ...

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  • Levine, Geoffrey C. (2012-02-06)
    In order for a machine learning effort to succeed, an appropriate model must be chosen. This is a difficult task in which one must balance flexibility, so that the model can capture the complexities of the domain, and ...

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  • Park, Jeong Soo (1991)
    Modern scientific researchers often use complex computer simulation codes for theoretical investigations. We model the response of computer simulation code as the realization of a stochastic process. This approach, design ...

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  • Perez, Gabriel (1990)
    This thesis consists of two parts. In the first part we study the dynamics and the boundaries between basins of attraction of a logistic map defined in real 2 x 2 matrices. We show how these boundaries are of a mixed type, ...

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  • Chung, Lyinn (1989)
    A popular nonparametric measure of a monotone relation between two variables is Kendall's tau. Originally, most analysis of this statistic assumed the two variables were independent, while more recently there has been ...

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  • Muyot, Maria Emerita Carmen Tiongson (1993)
    Several nonparametric tests based on ranks have been proposed to handle analysis of variance problems. But questions have been raised about the appropriateness of some procedures that are mere rank transformations of normal ...

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  • Tsukahara, Hideatsu (1996)
    We first consider convergence in law of measurable processes with a general parameter set and a state space. To this end, we need to investigate topological properties of the space of measurable functions which is the paths ...

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  • Hansen, Jason (2010-08-20)
    This dissertation examines the use of the quantitative sciences – particularly statistics and cartography – to bring order to the chaotic landscape of nationalities in central Europe across the long nineteenth century. ...

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  • Jordan, Drew; Bokhari, Ehsan (2015-05)
    The purpose of this research is to explore the possibility of being able to model a Major League Baseball (MLB) players Wins Above Replacement (WAR) over the course of his career and use it to predict the success of other ...

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