Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 34 for “"distributional properties"”.
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Aspects of multivariate complex quadratic forms
In this study the distributional properties of certain multivariate complex quadratic forms and their characteristic roots are investigated. Multivariate complex distribution theory was originally introduced by Wooding (1956), Turin (1960) and Goodman (1963a) when they derived and studied the …
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The Development of Czech Aspectual Prefixes Through Grammaticalization and Lexicalization Processes
… defines six predicate types and studies their distributional properties in order to identify distinct developmental stages of aspectual prefixes in the Czech National Corpus. The semantic and distributional properties of predicate types present evidence that aspectual prefixes developed …
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Essays on Online Decisions, Model Uncertainty and Learning
… selection of a monotone subsequence and provides distributional properties of the optimal objective function. The second model studies the robust optimization approach to the decision problem of an auction bidder who has imperfect information about rivals' bids and wants to maximize her worst-case …
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Unsupervised learning of morphological forests
… This formulation enables us to capture edge-wise properties reflecting single-step morphological derivations, along with global distributional properties of the entire forest. These global properties constrain the size of the affix set and encourage formation of tight morphological families. The …
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Comparisons of Improvement-Over-Chance Effect Sizes for Two Groups Under Variance Heterogeneity and Prior Probabilities
The distributional properties of improvement-over-chance, I, effect sizes derived from linear and quadratic predictive discriminant analysis (PDA) and from logistic regression analysis (LRA) for the two-group univariate classification were examined. Data were generated under varying levels of four …
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Generalized Bathtub Hazard Models for Binary-Transformed Climate Data
… the Kentucky Mesonet will be used to study the distributional properties of the duration of high and low-energy wind events relative to an arbitrary threshold. Our objectiveswere to fit bathtub models proposed in literature, propose a generalized bathtub model, apply these models to Kentucky …
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The Doubly Inflated Poisson and Related Regression Models
… <em>k</em> > 0 besides the inflated zeros. The distributional properties such as identifiability, moments, and conditional probabilities are also discussed for both probability models. For the data consisting of raw counts as well as grouped frequencies, we have considered parameter estimation …
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Heavy-Tailed Crack Distribution Families and Applications
… to t heavy-tailed observations. Several key distributional properties of the generalized crack distribution (Leiva et al., 2010, Bae and Volodin, 2014) are discussed with a particular emphasis on the tail behavior. The theoretical tail relationships between the auxiliary distribution and the …
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Bivariate Doubly Inflated Poisson and Related Regression Models
… In this dissertation, we will first discuss the distributional properties such as identifiability, moments and conditional distributions and stochastic representation of the BDIP model. Next, we will discuss parameter estimation by the method of moments and maximum likelihood methods and a …
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A Class of Mixture of Experts Models for General Insurance Ratemaking and Reserving
… sub-classes and Expert functions to govern the distributional properties of the claims. The model is also flexible to fit any types of claim data accurately and hence minimize the issue of model selection. Model implementation is then illustrated in two ways using a real automobile insurance …
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Modelling and prediction of intermittent demand distributions
… that links demand classification and the distributional properties of demand isproposed and the empirical validity of the framework is assessed by means ofexperimentation with real data.This study also examines a number of different approaches for managing inventory itemswith intermittent …
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Imaginative reasoning in probabilistic programs
… - with two new forms of inference. The first is distributional inference, which means to reason with statistical information rather than observational data. This allows us for instance to address problems of algorithmic fairness, robustness, and perform parameter estimation using data about …
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Multitaper Transfer Function Estimates and the Hunt for Coherent Signals Trespassing on Time Series Regression Models
… components exist. This work explores the distributional behaviour of the multitaper transfer function estimator in bands featuring common structure between response and predictor, versus bands without. We discuss the joint distributions of complex eigencoefficients, along with the …
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Invariance Properties of Statistical Tests for Dependent Observations
… the class of covariance matrices for which the distributional properties of the quadratic forms in ANOVA problems remain invariant. These results are contained in Chapter 3.</p> <p>In Chapters 4 and 5, we generalize our results to the multivariate test statistics, first considering a special …
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Linear regression techniques for identifying influential data and applications in commercial data analysis
… thesis begins by reviewing the statistics and distributional properties of the standard techniques, viz. the standardized residual as a test for outliers, and Cook's distance as a measure of influence. An outlier test which is distributionally neater than the standardized residual is proposed. …
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Hypothesis testing procedures for non-nested regression models
… procedures were made on the basis of asymptotic distributional properties, simulated finite sample performance and computational ease. A modification to the Fisher and McAleer JA-test was proposed and its properties investigated. As a compromise between the JA-test and the Orthodox F-test, it was …
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INEQUALITY, GROWTH AND CONGESTED EXTERNALITIES: A THEORETICAL AND EMPIRICAL ANALYSIS
… to steady-state convergence while moderating the distributional consequences of fiscal expansions and strengthening the potential for a tradeoff between instantaneous and long-run policy outcomes. Through numerical simulations we further demonstrate the inability of the capital income tax to …
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On Gaussian Multiplicative Chaos
… and the other one encoding the universal properties of multiplicative chaos. This may be seen as a first step in understanding the full distributional properties of Gaussian multiplicative chaos.
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Normality of JSE Returns: Macro-outliers, Micro-outliers: an Empirical Evaluation
… the empirical and theoretical literature on the distributional properties of South African equity returns. This study makes use of a filter to narrow the sample of stocks for empirical investigation over the period from 1 January 2016 to 31 December 2017, and analyses daily stock returns on a …
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