![]() |
![]() |
Your cart is empty |
||
Showing 1 - 11 of 11 matches in All Departments
This title is written for the numerate nonspecialist, and hopes to serve three purposes. First it gathers mathematical material from diverse but related fields of order statistics, records, extreme value theory, majorization, regular variation and subexponentiality. All of these are relevant for understanding fat tails, but they are not, to our knowledge, brought together in a single source for the target readership. Proofs that give insight are included, but for most fussy calculations the reader is referred to the excellent sources referenced in the text. Multivariate extremes are not treated. This allows us to present material spread over hundreds of pages in specialist texts in twenty pages. Chapter 5 develops new material on heavy tail diagnostics and gives more mathematical detail. Since variances and covariances may not exist for heavy tailed joint distributions, Chapter 6 reviews dependence concepts for certain classes of heavy tailed joint distributions, with a view to regressing heavy tailed variables. Second, it presents a new measure of obesity. The most popular definitions in terms of regular variation and subexponentiality invoke putative properties that hold at infinity, and this complicates any empirical estimate. Each definition captures some but not all of the intuitions associated with tail heaviness. Chapter 5 studies two candidate indices of tail heaviness based on the tendency of the mean excess plot to collapse as data are aggregated. The probability that the largest value is more than twice the second largest has intuitive appeal but its estimator has very poor accuracy. The Obesity index is defined for a positive random variable X as: Ob(X) = P (X1 +X4 > X2 +X3X1 For empirical distributions, obesity is defined by bootstrapping. This index reasonably captures intuitions of tail heaviness. Among its properties, if > 1 then Ob(X) Third and most important, we hope to convince the reader that fat tail phenomena pose real problems; they are really out there and they seriously challenge our usual ways of thinking about historical averages, outliers, trends, regression coefficients and confidence bounds among many other things. Data on flood insurance claims, crop loss claims, hospital discharge bills, precipitation and damages and fatalities from natural catastrophes drive this point home. While most fat tailed distributions are "bad", research in fat tails is one distribution whose tail will hopefully get fatter.
Corrosion is an expensive and potentially dangerous problem in many industries. The potential application of different nanostructured materials in corrosion protection, prevention and control is a subject of increasing interest. Corrosion protection and control using nanomaterials explores the potential use of nanotechnology in corrosion control. The book is divided into two parts. Part one looks at the fundamentals of corrosion behaviour and the manufacture of nanocrystalline materials. Chapters discuss the impact of nanotechnology in reducing corrosion cost, and investigate the influence of various factors including thermodynamics, kinetics and grain size on the corrosion behaviour of nanocrystalline materials. There are also chapters on electrodeposition and the corrosion behaviour of electrodeposited nanocrystalline materials. Part two provides a series of case studies of applications of nanomaterials in corrosion control. Chapters review oxidation protection using nanocrystalline structures at various temperatures, sol- gel and self-healing nanocoatings and the use of nanoreservoirs and polymer nanocomposites in corrosion control. With its distinguished editors and international team of expert contributors, Corrosion protection and control using nanomaterials is an invaluable reference tool for researchers and engineers working with nanomaterials in a variety of industries including, aerospace, automotive and chemical engineering as well as academics studying the unique protection and control offered by nanomaterials against corrosion.
East Greek Pottery provides the only dedicated study of the pottery
created by the Greek settlers along the western coast of Turkey
between 1100 and 500 BC. The authors examine in detail significant
developments in shape, material and decoration from the emergence
of the protogeometric style in the eleventh century to the fifth
century BC, when competition from Athenian imports forced craftsmen
to use only very simple ornamentation. The twenty-three chapters
offer a comprehensive style-by-style analysis of both familiar and
lesser-known pottery types, including Grey ware, relief ware and
archaic trade amphorae.
East Greek Pottery provides a comprehensive survey of the pottery made by the Greek settlers along the western coast of Turkey. The various styles of decoration described cover the period from the eleventh century to the beginning of the fifth century B.C. Subsequently, competition from Athens pressed local potters into using very simple ornament. Chapters include analysis of Grey ware, relief ware and archaic East Greek containers (or trade) amphorae, a class of pottery which is now attracting attention for its contribution to the study of ancient economic history. East Greek pottery is a field that has been neglected, and much remains uncertain. Conjecture and fact have been clearly distinguished in this volume, and detailed references allow the evidence to be viewed and judged by the reader.
Originally published in 1964, this book presents R. M. Cook's Cambridge University Inaugural Lecture on the classical archaeology surrounding the myth of Niobe and her children. A detailed bibliography is included. This book will be of value to anyone with an interest in Ancient Greek mythology and archaeology.
A valuable guide to understanding the problem of quantifying uncertainty in dose response relations for toxic substances In today's scientific research, there exists the need to address the topic of uncertainty as it pertains to dose response modeling. Uncertainty Modeling in Dose Response is the first book of its kind to implement and compare different methods for quantifying the uncertainty in the probability of response, as a function of dose. This volume gathers leading researchers in the field to properly address the issue while communicating concepts from diverse viewpoints and incorporating valuable insights. The result is a collection that reveals the properties, strengths, and weaknesses that exist in the various approaches to bench test problems. This book works with four bench test problems that were taken from real bioassay data for hazardous substances currently under study by the United States Environmental Protection Agency (EPA). The use of actual data provides readers with information that is relevant and representative of the current work being done in the field. Leading contributors from the toxicology and risk assessment communities have applied their methods to quantify model uncertainty in dose response for each case by employing various approaches, including Benchmark Dose Software methods, probabilistic inversion with isotonic regression, nonparametric Bayesian modeling, and Bayesian model averaging. Each chapter is reviewed and critiqued from three professional points of view: risk analyst/regulator, statistician/mathematician, and toxicologist/epidemiologist. In addition, all methodologies are worked out in detail, allowing readers to replicate these analyses and gain a thorough understanding of the methods. Uncertainty Modeling in Dose Response is an excellent book for courses on risk analysis and biostatistics at the upper-undergraduate and graduate levels. It also serves as a valuable reference for risk assessment, toxicology, biostatistics, and environmental chemistry professionals who wish to expand their knowledge and expertise in statistical dose response modeling problems and approaches.
Diese erste Veroffentlichung uber den Stand der Projekte zur Erforschung des menschlichen Genoms setzt sich kritisch mit den ethischen Aspekten der Genomanalyse und Gentherapie in der Humanmedizin auseinander. Fuhrende Experten stellen die breite Vielfalt der ethischen, medizinischen und politischen Bewertungspositionen fur eine der erfolgversprechendsten und umstrittensten Entwicklungen der modernen biomedizinischen Forschung vor. Im Mittelpunkt der Darstellung steht die Diskussion um die Erweiterung der pranatalen Diagnose und die mogliche Entwicklung einer Pradiktivmedizin mit langfristiger Prognostik; weitere Schwerpunkte bilden die Auseinandersetzungen der Tarifpartner um die Rolle der Genomanalyse in der Arbeitsmedizin sowie die Bedenken um das Wiederaufleben einer eugenischen Ideologie und die Bewertung der Unterschiede zwischen somatischer Gentherapie und Keimbahntherapie in der Humanmedizin. Das Buch wendet sich vor allem an Forscher, Ethiker und Politiker, aber auch an diejenigen Leser, die sich mit den ethischen und kulturellen Aspekten der Anwendung der Gentechnik am Menschen auseinandersetzen wollen.
|
![]() ![]() You may like...
Kirstenbosch - A Visitor's Guide
Colin Paterson-Jones, John Winter
Paperback
|