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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
71

Designs and methods for the identification of active location and dispersion effects

Dingus, Cheryl Ann Venard, January 2005 (has links)
Thesis (Ph. D.)--Ohio State University, 2005. / Title from first page of PDF file. Includes bibliographical references (p. 299-303).
72

Inference on correlation from incomplete bivariate samples

He, Qinying. January 2007 (has links)
Thesis (Ph. D.)--Ohio State University, 2007. / Title from first page of PDF file. Includes bibliographical references (p. 133-137).
73

Estimating the number of clusters in regression clustering /

Shao, Qing. January 2004 (has links)
Thesis (Ph.D.)--York University, 2004. Graduate Programme in Mathematics & Statistics. / Typescript. Includes bibliographical references (leaves 114-124). Also available on the Internet. MODE OF ACCESS via web browser by entering the following URL: http://wwwlib.umi.com/cr/yorku/fullcit?pNQ99236
74

Is the precision of computed solutions more closely related with componentwise condition number than normwise condition number?

Tan, Don Bing Dong 01 May 2015 (has links)
We have a conjecture that “the precision of computed solutions for systems of linear equations is more closely related with componentwise condition number c(A) than normwise condition number κ(A). We conducted simulation experiments to verify this conjecture. A statistical tool, Hotelling-Williams T-Test is employed to check if difference between correlations is significant. Simulation results suggest that our conjecture is true for most of the well-known methods and matrix sizes. Keywords: condition numbers, simulation, correlation coefficients, Hotelling-Williams T-Test
75

An application of factor analysis on a 24-item scale on the attitudes towards AIDS precautions using Pearson, Spearman and Polychoric correlation matrices

Abdalmajid, Mohammed Babekir Elmalik January 2006 (has links)
Magister Scientiae - MSc / The 24-item scale has been used extensively to assess the attitudes towards AIDS precautions. This study investigated the usefulness and validity of the instrument in a South African setting, fourteen years after the development of the instrument. If a new structure could be found statistically, the HIV/AIDS prevention strategies could be more effective in aiding campaigns to change attitudes and sexual behaviour. / South Africa
76

Is uncorrelating the residuals worth it?

Ward, Laurel Lorraine January 1973 (has links)
No description available.
77

Rank correlation in a singly truncated bivariate normal distribution

Hume, Merril Wayne 23 December 2009 (has links)
Considerable attention has been devoted to the rank correlation coefficients of Spearman and Kendall, denoted by r<sub>S</sub> and r<sub>K</sub> respectively. These coefficients were first proposed as measures of association between two groupings, requiring no assumptions on the parent distribution of the observations. Later work considered the distributions of r<sub>S</sub> and r<sub>K</sub> when the parent distribution is the bivariate normal. This study is an investigation of the moments and related properties of Spearman's r<sub>S</sub> and Kendall's r<sub>K</sub> when the underlying distribution is the singly truncated bivariate normal. / Ph. D.
78

Decision-theoretic estimation of parameter matrices in manova and canonical correlations.

January 1995 (has links)
by Lo Tai-yan, Milton. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1995. / Includes bibliographical references (leaves 112-114). / Chapter 1 --- Preliminaries --- p.1 / Chapter 1.1 --- Introduction --- p.1 / Chapter 1.1.1 --- The Noncentral Multivariate F distribution --- p.2 / Chapter 1.1.2 --- The Central Problems and the Approach --- p.4 / Chapter 1.2 --- Concepts and Terminology --- p.7 / Chapter 1.3 --- Choice of Estimates --- p.10 / Chapter 1.4 --- Related Work --- p.11 / Chapter 2 --- Estimation of the noncentrality parameter of a Noncentral Mul- tivariate F distribution --- p.19 / Chapter 2.1 --- Unbiased and Linear Estimators --- p.19 / Chapter 2.1.1 --- The unbiased estimate --- p.20 / Chapter 2.1.2 --- The Class of Linear Estimates --- p.24 / Chapter 2.2 --- Optimal Linear Estimate --- p.32 / Chapter 2.3 --- Nonlinear Estimate --- p.34 / Chapter 2.4 --- Monte Carlo Simulation Study --- p.41 / Chapter 2.5 --- Evaluation and Further Investigation --- p.42 / Chapter 3 --- Estimation of Canonical Correlation Coefficients --- p.73 / Chapter 3.1 --- Preliminary --- p.73 / Chapter 3.2 --- The Estimation Problem --- p.76 / Chapter 3.3 --- Orthogonally Invariant Estimates --- p.77 / Chapter 3.3.1 --- The Unbiased Estimate --- p.78 / Chapter 3.3.2 --- The Class of Linear Estimates --- p.78 / Chapter 3.3.3 --- The Class of Nonlinear Estimates --- p.80 / Chapter 3.4 --- Monte Carlo Simulation Study --- p.87 / Chapter 3.5 --- Evaluation and Further Investigation --- p.89 / Chapter A --- p.104 / Chapter A.1 --- Lemma 3.2 --- p.104 / Chapter A.2 --- Theorem 3.3 Leung(1992) --- p.105 / Chapter A.3 --- The Noncentral F Identity --- p.106 / Chapter B --- Bibliography --- p.111
79

Comparing relative predictive power through squared multiple correlations in within-sample regression analysis. / Comparing relative predictive power

January 2008 (has links)
Cheung, Yu Hin Ray. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2008. / Includes bibliographical references (leaves 47-49). / Abstracts in English and Chinese. / Chapter CHAPTER ONE: --- INTRODUCTION --- p.1 / Chapter CHAPTER TWO: --- A UNIFIED BOOTSTRAP PROCEDURE --- p.7 / Chapter CHAPTER THREE: --- A SIMULATION STUDY --- p.10 / Chapter CHAPTER FOUR: --- RESULTS --- p.18 / Chapter CHAPTER FIVE: --- DISCUSSION --- p.33 / Chapter CHAPTER SIX: --- CONCLUSION --- p.37 / APPENDICES --- p.38 / REFERENCES --- p.46
80

Critical deposit velocity correlations for a turbulent heterogeneous slurry

Norris, Jan Adam January 1980 (has links)
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1980. / MICROFICHE COPY AVAILABLE IN ARCHIVES AND ENGINEERING. / Bibliography: leaves 36-38. / by Jan Adam Norris II. / M.S.

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