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Books > Science & Mathematics > Mathematics > Probability & statistics

Renewal Theory for Perturbed Random Walks and Similar Processes (Hardcover, 1st ed. 2016): Alexander Iksanov Renewal Theory for Perturbed Random Walks and Similar Processes (Hardcover, 1st ed. 2016)
Alexander Iksanov
R3,363 Discovery Miles 33 630 Ships in 10 - 15 working days

This book offers a detailed review of perturbed random walks, perpetuities, and random processes with immigration. Being of major importance in modern probability theory, both theoretical and applied, these objects have been used to model various phenomena in the natural sciences as well as in insurance and finance. The book also presents the many significant results and efficient techniques and methods that have been worked out in the last decade. The first chapter is devoted to perturbed random walks and discusses their asymptotic behavior and various functionals pertaining to them, including supremum and first-passage time. The second chapter examines perpetuities, presenting results on continuity of their distributions and the existence of moments, as well as weak convergence of divergent perpetuities. Focusing on random processes with immigration, the third chapter investigates the existence of moments, describes long-time behavior and discusses limit theorems, both with and without scaling. Chapters four and five address branching random walks and the Bernoulli sieve, respectively, and their connection to the results of the previous chapters. With many motivating examples, this book appeals to both theoretical and applied probabilists.

Sample Size Determination and Power (Hardcover, New): T.P. Ryan Sample Size Determination and Power (Hardcover, New)
T.P. Ryan
R2,774 Discovery Miles 27 740 Ships in 18 - 22 working days

A comprehensive approach to sample size determination and power with applications for a variety of fields

"Sample Size Determination and Power "features a modern introduction to the applicability of sample size determination and provides a variety of discussions on broad topics including epidemiology, microarrays, survival analysis and reliability, design of experiments, regression, and confidence intervals.

The book distinctively merges applications from numerous fields such as statistics, biostatistics, the health sciences, and engineering in order to provide a complete introduction to the general statistical use of sample size determination. Advanced topics including multivariate analysis, clinical trials, and quality improvement are addressed, and in addition, the book provides considerable guidance on available software for sample size determination. Written by a well-known author who has extensively class-tested the material, "Sample Size Determination and Power: "Highlights the applicability of sample size determination and provides extensive literature coveragePresents a modern, general approach to relevant software to guide sample size determination including CATD (computer-aided trial design)Addresses the use of sample size determination in grant proposals and provides up-to-date references for grant investigators

An appealing reference book for scientific researchers in a variety of fields, such as statistics, biostatistics, the health sciences, mathematics, ecology, and geology, who use sampling and estimation methods in their work, "Sample Size Determination and Power "is also an ideal supplementary text for upper-level undergraduate and graduate-level courses in statistical sampling.

Robust Control for Discrete-Time Markovian Jump Systems in the Finite-Time Domain (Hardcover, 1st ed. 2023): Xiaoli Luan,... Robust Control for Discrete-Time Markovian Jump Systems in the Finite-Time Domain (Hardcover, 1st ed. 2023)
Xiaoli Luan, Shuping He, Fei Liu
R3,312 Discovery Miles 33 120 Ships in 18 - 22 working days

This book provides robust analysis and synthesis tools for Markovian jump systems in the finite-time domain with specified performances. It explores how these tools can make the systems more applicable to fields such as economic systems, ecological systems and solar thermal central receivers, by limiting system trajectories in the desired bound in a given time interval. Robust Control for Discrete-Time Markovian Jump Systems in the Finite-Time Domain focuses on multiple aspects of finite-time stability and control, including: finite-time H-infinity control; finite-time sliding mode control; finite-time multi-frequency control; finite-time model predictive control; and high-order moment finite-time control for multi-mode systems and also provides many methods and algorithms to solve problems related to Markovian jump systems with simulation examples that illustrate the design procedure and confirm the results of the methods proposed. The thorough discussion of these topics makes the book a useful guide for researchers, industrial engineers and graduate students alike, enabling them systematically to establish the modeling, analysis and synthesis for Markovian jump systems in the finite-time domain.

Network Psychometrics with R - A Guide for Behavioral and Social Scientists (Paperback): Adela-Maria Isvoranu, Sacha Epskamp,... Network Psychometrics with R - A Guide for Behavioral and Social Scientists (Paperback)
Adela-Maria Isvoranu, Sacha Epskamp, Lourens Waldorp, Denny Borsboom
R1,703 Discovery Miles 17 030 Ships in 9 - 17 working days

A systematic, innovative introduction to the field of network analysis, Network Psychometrics with R: A Guide for Behavioral and Social Scientists provides a comprehensive overview of and guide to both the theoretical foundations of network psychometrics as well as modelling techniques developed from this perspective. Written by pioneers in the field, this textbook showcases cutting-edge methods in an easily accessible format, accompanied by problem sets and code. After working through this book, readers will be able to understand the theoretical foundations behind network modelling, infer network topology, and estimate network parameters from different sources of data. This book features an introduction on the statistical programming language R that guides readers on how to analyse network structures and their stability using R. While Network Psychometrics with R is written in the context of social and behavioral science, the methods introduced in this book are widely applicable to data sets from related fields of study. Additionally, while the text is written in a non-technical manner, technical content is highlighted in textboxes for the interested reader. Network Psychometrics with R is ideal for instructors and students of undergraduate and graduate level courses and workshops in the field of network psychometrics as well as established researchers looking to master new methods. This book is accompanied by a companion website with resources for both students and lecturers.

How to Win More - Strategies for Increasing a Lottery Win (Paperback): Norbert Henze, Hans Riedwyl How to Win More - Strategies for Increasing a Lottery Win (Paperback)
Norbert Henze, Hans Riedwyl
R1,195 Discovery Miles 11 950 Ships in 10 - 15 working days

This book is designed to provide valuable insight into how to improve the return on your investment when playing the lottery. While it does not promise that you will win more often, it does show you how to improve the odds of winning larger amounts when your numbers do come up. So, when you do win that million-dollar jackpot, you will be less likely to have to share it with anyone else.

Among the intriguing topics covered are the most popular (and the most foolish) combinations of numbers, why it is impossible to improve the odds of any legitimate lottery, how popular (and thus unprofitable) an attractive-looking ticket might be, why not to follow the suggested numbers from so-called "expert advisors" and why it is important to avoid winning combinations of past drawings. With this book and a little luck, the dream of winning millions might just come true.

Applied Nonparametric Statistics in Reliability (Hardcover, 2011 ed.): M. Luz Gamiz, K. B. Kulasekera, Nikolaos Limnios, Bo... Applied Nonparametric Statistics in Reliability (Hardcover, 2011 ed.)
M. Luz Gamiz, K. B. Kulasekera, Nikolaos Limnios, Bo Henry Lindqvist
R2,781 Discovery Miles 27 810 Ships in 18 - 22 working days

Nonparametric statistics has probably become the leading methodology for researchers performing data analysis. It is nevertheless true that, whereas these methods have already proved highly effective in other applied areas of knowledge such as biostatistics or social sciences, nonparametric analyses in reliability currently form an interesting area of study that has not yet been fully explored.

"Applied Nonparametric Statistics in Reliability" is focused on the use of modern statistical methods for the estimation of dependability measures of reliability systems that operate under different conditions. The scope of the book includes: smooth estimation of the reliability function and hazard rate of non-repairable systems; study of stochastic processes for modelling the time evolution of systems when imperfect repairs are performed; nonparametric analysis of discrete and continuous time semi-Markov processes; isotonic regression analysis of the structure function of a reliability system, and lifetime regression analysis.

Besides the explanation of the mathematical background, several numerical computations or simulations are presented as illustrative examples. The corresponding computer-based methods have been implemented using R and MATLAB(R). A concrete modelling scheme is chosen for each practical situation and, in consequence, a nonparametric inference procedure is conducted.

"Applied Nonparametric Statistics in Reliability" will serve the practical needs of scientists (statisticians and engineers) working on applied reliability subjects.

Stochastic Space-Time Models and Limit Theorems (Hardcover, 1985 ed.): L. Arnold, P. Kotelenez Stochastic Space-Time Models and Limit Theorems (Hardcover, 1985 ed.)
L. Arnold, P. Kotelenez
R1,554 Discovery Miles 15 540 Ships in 18 - 22 working days

Approach your problems from It isn't that they can't see the right end and begin with the solution. the answers. Then one day, It is that they can't see the perhaps you will find the problem. final question. G.K. Chesterton. The Scandal 'The Hermit Clad 1n Crane of Father Brown 'The Point of Feathers' in R. van Gulik's a Pin'. The Chinese Maze Murders. Growing specialisation and diversification have brought a host of monographs and textbooks on increasingly specialized topics. However, the "tree" of knowledge of mathematics and related fields does not grow only by putting forth new branches. It also happens, quite often in fact, that branches wich were thought to be completely disparate are suddenly seen to be related. Further, the kind and level of sophistication of mathematics applied in various sciences has changed drastically in recent years: measure theory is used (non-trivially) in regional and theoretical economics; algebraic geometry interacts with physics; the Minkowsky lemma, coding theory and the structure of water meet one another in packing and covering theory; quantum fields, crystal defects and mathematical programming profit from homotopy theory; Lie algebras are relevant to filtering; and prediction and electrical engineering can use Stein spaces. And in addition to this there are such new emerging subdisciplines as "experimental mathematics", "CFD" , "completely integrable systems", "chaos, synergetics and large-scale order", which are almost impossible to fit into the existing classification schemes. They draw upon widely different sections of mathematics.

The Statistical Theory of Shape (Hardcover, 1996 ed.): Christopher G. Small The Statistical Theory of Shape (Hardcover, 1996 ed.)
Christopher G. Small
R2,779 Discovery Miles 27 790 Ships in 18 - 22 working days

In general terms, the shape of an object, data set, or image can be de fined as the total of all information that is invariant under translations, rotations, and isotropic rescalings. Thus two objects can be said to have the same shape if they are similar in the sense of Euclidean geometry. For example, all equilateral triangles have the same shape, and so do all cubes. In applications, bodies rarely have exactly the same shape within measure ment error. In such cases the variation in shape can often be the subject of statistical analysis. The last decade has seen a considerable growth in interest in the statis tical theory of shape. This has been the result of a synthesis of a number of different areas and a recognition that there is considerable common ground among these areas in their study of shape variation. Despite this synthesis of disciplines, there are several different schools of statistical shape analysis. One of these, the Kendall school of shape analysis, uses a variety of mathe matical tools from differential geometry and probability, and is the subject of this book. The book does not assume a particularly strong background by the reader in these subjects, and so a brief introduction is provided to each of these topics. Anyone who is unfamiliar with this material is advised to consult a more complete reference. As the literature on these subjects is vast, the introductory sections can be used as a brief guide to the literature."

Analysis of Incomplete Multivariate Data (Hardcover): J. L Schafer Analysis of Incomplete Multivariate Data (Hardcover)
J. L Schafer
R4,221 Discovery Miles 42 210 Ships in 10 - 15 working days

The last two decades have seen enormous developments in statistical methods for incomplete data. The EM algorithm and its extensions, multiple imputation, and Markov Chain Monte Carlo provide a set of flexible and reliable tools from inference in large classes of missing-data problems. Yet, in practical terms, those developments have had surprisingly little impact on the way most data analysts handle missing values on a routine basis.

Analysis of Incomplete Multivariate Data helps bridge the gap between theory and practice, making these missing-data tools accessible to a broad audience. It presents a unified, Bayesian approach to the analysis of incomplete multivariate data, covering datasets in which the variables are continuous, categorical, or both. The focus is applied, where necessary, to help readers thoroughly understand the statistical properties of those methods, and the behavior of the accompanying algorithms.

All techniques are illustrated with real data examples, with extended discussion and practical advice. All of the algorithms described in this book have been implemented by the author for general use in the statistical languages S and S Plus. The software is available free of charge on the Internet.

Geostatistical Simulations - Proceedings of the Geostatistical Simulation Workshop, Fontainebleau, France, 27-28 May 1993... Geostatistical Simulations - Proceedings of the Geostatistical Simulation Workshop, Fontainebleau, France, 27-28 May 1993 (Hardcover, 1994 ed.)
M. Armstrong, P.A. Dowd
R2,797 Discovery Miles 27 970 Ships in 18 - 22 working days

When this two-day meeting was proposed, it was certainly not conceived as a celebration, much less as a party. However, on reflection, this might have been a wholly appropriate gesture because geostatistical simulation came of age this year: it is now 21 years since it was first proposed and implemented in the form of the turning bands method. The impetus for the original development was the mining industry, principally the problems encountered in mine planning and design based on smoothed estimates which did not reflect the degree of variability and detail present in the real, mined values. The sustained period of development over recent years has been driven by hydrocarbon applications. In addition to the original turning bands method there are now at least six other established methods of geostatistical simulation. Having reached adulthood, it is entirely appropriate that geostatistical simulation should now be subjected to an intense period of reflection and assessment. That we have now entered this period was evident in many of the papers and much of the discussion at the Fontainebleau meeting. Many questions were clearly articulated for the first time and, although many ofthem were not unambiguously answered, their presentation at the meeting and publication in this book will generate confirmatory studies and further research.

Setting Environmental Standards - The Statistical Approach to Handling Uncertainty and Variation (Hardcover): Vic Barnett, A.... Setting Environmental Standards - The Statistical Approach to Handling Uncertainty and Variation (Hardcover)
Vic Barnett, A. O'Hagan
R1,090 Discovery Miles 10 900 Ships in 10 - 15 working days

Introducing a novel approach to setting environmental pollution standards that allow for proper treatment of uncertainty and variation, this book surveys the forms of standards and proposes a new kind of "statistically verifiable ideal standard." Setting Environmental Standards includes: a current analysis regarding the treatment of uncertainty and variation in environmental standard setting a review of basic principles in standard setting, including costs, actions and effects, and benefits examples where uncertainty and variation have been well-treated in current practice as well as examples where clear deficiencies are apparent specific proposals for the future approach to setting environmental pollution standards - encompassing the anticipated elements of uncertainty and variability The issues discussed serve statisticians as well as those persons involved with environmental standards. Scientists in agencies responsible for setting standards, in organizations advising such agencies or working in industries subject to these standards, will find Setting Environmental Standards an invaluable reference.

Bayesian Methods for Finite Population Sampling (Hardcover, Softcover Repri): Malay Ghosh, Glen Meeden Bayesian Methods for Finite Population Sampling (Hardcover, Softcover Repri)
Malay Ghosh, Glen Meeden
R4,922 Discovery Miles 49 220 Ships in 10 - 15 working days

The present monograph is primarily an outgrowth of our own re search on certain aspects of Bayesian inference in finite population sampling. Finite population sampling has been an integral part of statistics since its beginning. The topic continues its impact in the theory and practice of statistics, especially for researchers in survey sampling. Inference for finite population sampling utilizes prior information either explicitly or implicitly. Bayesian inference makes explicit use of this information as part of the model. This is in striking con trast to design- based inference in survey sampling where prior knowledge is incorporated only as auxiliary information. On the other hand there is a elose relationship between the Bayesian ap proach and the superpopulation approach, although they differ in their foundational interpretations. Operationally, however, the dif ference is much less pronounced as many estimators obtained via superpopulation models are also obtainable as Bayes estimators, and vice versa. This monograph, does not aim to provide a complete up-to-date account of the Bayesian literature in finite population sampling. Rather, it treats the topics reflecting the authors' personal inter ests. Its main aim is to demonstrate that a variety of levels of prior information can be used in survey sampling in a Bayesian man ner. Situations considered range from a noninformative Bayesian justification of standard frequentist methods when the only prior information available is the belief in the exchangeablility of the units to a full-fledged Bayesian model."

Practical Data Analysis for Designed Experiments (Hardcover, Softcover Repri): Brian S. Yandell Practical Data Analysis for Designed Experiments (Hardcover, Softcover Repri)
Brian S. Yandell
R4,949 Discovery Miles 49 490 Ships in 10 - 15 working days

Placing data in the context of the scientific discovery of knowledge through experimentation, Practical Data Analysis for Designed Experiments examines issues of comparing groups and sorting out factor effects and the consequences of imbalance and nesting, then works through more practical applications of the theory. Written in a modern and accessible manner, this book is a useful blend of theory and methods. Exercises included in the text are based on real experiments and real data.

Theory of Random Determinants (Hardcover, 1990 ed.): V.L. Girko Theory of Random Determinants (Hardcover, 1990 ed.)
V.L. Girko
R3,034 Discovery Miles 30 340 Ships in 18 - 22 working days

'Et mm. ..., si j'avait su comment en revenir, One service mathematics has rendered the je n'y serais point all' '' human race. It has put common sense back Jules Verne where it belongs, on the topmost shelf IIClI.t to the dusty canister labelled 'discarded non- The series is divergent; therefore we may be sense'. able to do something with it. Eric T. Bell O. Heaviside Mathematics is a tool for thought. A highly necessary tool in a world where both feedback and non linearities abound. Similarly, all kinds of parts of mathematics serve as tools for other parts and for other sciences. Applying a simple rewriting rule to the quote on the right above one finds such statements as: 'One service topology has rendered mathematical physics .. .'; 'One service logic has rendered com puter science .. .'; 'One service category theory has rendered mathematics .. .'. All arguably true. And all statements obtainable this way form part of the raison d'etre of this series."

Statistical Methods (Paperback, 4th edition): Donna L. Mohr, William J. Wilson, Rudolf J. Freund Statistical Methods (Paperback, 4th edition)
Donna L. Mohr, William J. Wilson, Rudolf J. Freund
R1,832 Discovery Miles 18 320 Ships in 10 - 15 working days

Statistical Methods, Fourth Edition, is designed to introduce students to a wide-range of popular and practical statistical techniques. Requiring a minimum of advanced mathematics, it is suitable for undergraduates in statistics, or graduate students in the physical, life, and social sciences. By providing an overview of statistical reasoning, this text equips readers with the insight needed to summarize data, recognize good experimental designs, implement appropriate analyses, and arrive at sound interpretations of statistical results.

Analytical Theory of Biological Populations (Hardcover, 1998 ed.): Alfred J Lotka Analytical Theory of Biological Populations (Hardcover, 1998 ed.)
Alfred J Lotka; Introduction by David P Smith, Helene Rossert
R2,674 Discovery Miles 26 740 Ships in 18 - 22 working days

In the 50 years that have passed since Alfred Latka's death in 1949 his position as the father of mathematical demography has been secure. With his first demographic papers in 1907 and 1911 (the latter co authored with F. R. Sharpe) he laid the foundations for stable population theory, and over the next decades both largely completed it and found convenient mathematical approximations that gave it practical applica tions. Since his time, the field has moved in several directions he did not foresee, but in the main it is still his. Despite Latka's stature, however, the reader still needs to hunt through the old journals to locate his principal works. As yet no exten sive collections of his papers are in print, and for his part he never as sembled his contributions into a single volume in English. He did so in French, in the two part Theorie Analytique des Associations Biologiques (1934, 1939). Drawing on his Elements of Physical Biology (1925) and most of his mathematical papers, Latka offered French readers insights into his biological thought and a concise and mathematically accessible summary of what he called recent contributions in demographic analy sis. We would be accurate in also calling it Latka's contributions in demographic analysis."

Numerical Bayesian Methods Applied to Signal Processing (Hardcover, 1996 ed.): Joseph J. K O Ruanaidh, William J Fitzgerald Numerical Bayesian Methods Applied to Signal Processing (Hardcover, 1996 ed.)
Joseph J. K O Ruanaidh, William J Fitzgerald
R5,280 Discovery Miles 52 800 Ships in 18 - 22 working days

This book is concerned with the processing of signals that have been sampled and digitized. The authors present algorithms for the optimization, random simulation, and numerical integration of probability densities for applications of Bayesian inference to signal processing. In particular, methods are developed for the computation of marginal densities and evidence, and are applied to previously intractable problems either involving large numbers of parameters or where the signal model is of a complex form. The emphasis is on the applications of these methods notably to the restoration of digital audio recordings and biomedical data. After a chapter which sets out the main principles of Bayesian inference applied to signal processing, subsequent chapters cover numerical approaches to these techniques, the use of Markov chain Monte Carlo methods, the identification of abrupt changes in data using the Bayesian piecewise linear model, and identifying missing samples in digital audio signals.

Probability Theory - Independence, Interchangeability, Martingales (Hardcover, 3rd ed. 1997): Yuan Shih Chow, Henry Teicher Probability Theory - Independence, Interchangeability, Martingales (Hardcover, 3rd ed. 1997)
Yuan Shih Chow, Henry Teicher
R2,703 Discovery Miles 27 030 Ships in 18 - 22 working days

Comprising the major theorems of probability theory and the measure theoretical foundations of the subject, the main topics treated here are independence, interchangeability, and martingales. Particular emphasis is placed upon stopping times, both as tools in proving theorems and as objects of interest themselves. No prior knowledge of measure theory is assumed and a unique feature of the book is the combined presentation of measure and probability. It is easily adapted for graduate students familiar with measure theory using the guidelines given. Special features include: A comprehensive treatment of the law of the iterated logarithm * The Marcinklewicz-Zygmund inequality, its extension to martingales and applications thereof * Development and applications of the second moment analogue of Walds equation * Limit theorems for martingale arrays; the central limit theorem for the interchangeable and martingale cases; moment convergence in the central limit theorem * Complete discussion, including central limit theorem, of the random casting of r balls into n cells * Recent martingale inequalities * Cram r-L vy theorem and factor-closed families of distributions.

White Noise Distribution Theory (Hardcover): Hui-Hsiung Kuo White Noise Distribution Theory (Hardcover)
Hui-Hsiung Kuo; Series edited by Richard Durrett, Mark Pinsky
R6,778 Discovery Miles 67 780 Ships in 10 - 15 working days

Learn the basics of white noise theory with White Noise Distribution Theory. This book covers the mathematical foundation and key applications of white noise theory without requiring advanced knowledge in this area. This instructive text specifically focuses on relevant application topics such as integral kernel operators, Fourier transforms, Laplacian operators, white noise integration, Feynman integrals, and positive generalized functions. Extremely well-written by one of the field's leading researchers, White Noise Distribution Theory is destined to become the definitive introductory resource on this challenging topic.

Bayesian Biostatistics (Hardcover): Donald A. Berry, Dalene Stangl Bayesian Biostatistics (Hardcover)
Donald A. Berry, Dalene Stangl
R4,561 Discovery Miles 45 610 Ships in 10 - 15 working days

This work provides descriptions, explanations and examples of the Bayesian approach to statistics, demonstrating the utility of Bayesian methods for analyzing real-world problems in the health sciences. The work considers the individual components of Bayesian analysis.;College or university bookstores may order five or more copies at a special student price, available on request from Marcel Dekker, Inc.

Multiple Comparisons - Theory and Methods (Hardcover): Jason Hsu Multiple Comparisons - Theory and Methods (Hardcover)
Jason Hsu
R4,930 Discovery Miles 49 300 Ships in 10 - 15 working days

Multiple Comparisons covers all-pairwise comparisons, multiple comparisons with the best, and multiple comparisons with a control. Confidence intervals methods and stepwise methods are described. Abuses and misconceptions are exposed, and the reader is guided to the correct method for each problem. Connections with bioequivalence, drug stability, and toxicity studies are discussed. Applications are illustrated with real data, analyzed by computer packages. Extension to the General Linear Model is provided.

Practical Longitudinal Data Analysis (Hardcover, Softcover Repri): David J. Hand Practical Longitudinal Data Analysis (Hardcover, Softcover Repri)
David J. Hand
R5,486 Discovery Miles 54 860 Ships in 10 - 15 working days

This text describes regression-based approaches to analyzing longitudinal and repeated measures data. It emphasizes statistical models, discusses the relationships between different approaches, and uses real data to illustrate practical applications. It uses commercially available software when it exists and illustrates the program code and output. The data appendix provides many real data sets-beyond those used for the examples-which can serve as the basis for exercises.

Compositional Data Analysis - CoDaWork, L'Escala, Spain, June 2015 (Hardcover, 1st ed. 2016): Josep Antoni... Compositional Data Analysis - CoDaWork, L'Escala, Spain, June 2015 (Hardcover, 1st ed. 2016)
Josep Antoni Martin-Fernandez, Santiago Thio-Henestrosa
R4,606 Discovery Miles 46 060 Ships in 10 - 15 working days

The authoritative contributions gathered in this volume reflect the state of the art in compositional data analysis (CoDa). The respective chapters cover all aspects of CoDa, ranging from mathematical theory, statistical methods and techniques to its broad range of applications in geochemistry, the life sciences and other disciplines. The selected and peer-reviewed papers were originally presented at the 6th International Workshop on Compositional Data Analysis, CoDaWork 2015, held in L'Escala (Girona), Spain. Compositional data is defined as vectors of positive components and constant sum, and, more generally, all those vectors representing parts of a whole which only carry relative information. Examples of compositional data can be found in many different fields such as geology, chemistry, economics, medicine, ecology and sociology. As most of the classical statistical techniques are incoherent on compositions, in the 1980s John Aitchison proposed the log-ratio approach to CoDa. This became the foundation of modern CoDa, which is now based on a specific geometric structure for the simplex, an appropriate representation of the sample space of compositional data. The International Workshops on Compositional Data Analysis offer a vital discussion forum for researchers and practitioners concerned with the statistical treatment and modelling of compositional data or other constrained data sets and the interpretation of models and their applications. The goal of the workshops is to summarize and share recent developments, and to identify important lines of future research.

Counting: The Art of Enumerative Combinatorics (Hardcover, 2001 ed.): George E. Martin Counting: The Art of Enumerative Combinatorics (Hardcover, 2001 ed.)
George E. Martin
R2,215 Discovery Miles 22 150 Ships in 18 - 22 working days

Counting: The Art of Enumerative Combinatorics provides an introduction to discrete mathematics that addresses questions that begin, How many ways are there to...For example, ¿How many ways are there to order a collection of 12 ice cream cones if 8 flavors are available?¿ At the end of the book the reader should be able to answer such nontrivial counting questions as, ¿How many ways are there to color the faces of a cube if ¿k¿ colors are available with each face having exactly one color?¿ or ¿How many ways are there to stack ¿n¿ poker chips, each of which can be red, white, blue, or green, such that each red chip is adjacent to at least 1 green chip?¿ Since there are no prerequisites, this book can be used for college courses in combinatorics at the sophomore level for either computer science or mathematics students. The first five chapters have served as the basis for a graduate course for in-service teachers. Chapter 8 introduces graph theory.

Nonparametric and Semiparametric Models (Hardcover, 2004 ed.): Wolfgang Karl Hardle, Marlene Muller, Stefan Sperlich, Axel... Nonparametric and Semiparametric Models (Hardcover, 2004 ed.)
Wolfgang Karl Hardle, Marlene Muller, Stefan Sperlich, Axel Werwatz
R4,728 Discovery Miles 47 280 Ships in 18 - 22 working days

The statistical and mathematical principles of smoothing with a focus on applicable techniques are presented in this book. It naturally splits into two parts: The first part is intended for undergraduate students majoring in mathematics, statistics, econometrics or biometrics whereas the second part is intended to be used by master and PhD students or researchers. The material is easy to accomplish since the e-book character of the text gives a maximum of flexibility in learning (and teaching) intensity.

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