Les mesures linéaires déterminent la longueur des routes; en un mot les distances de toute espèce. Les mesures carrées s' appliquent aux surfaces aux terres. Les mesures cubiques s'appliquent aux solides, c'est à dire aux corps qui ont les trois dimensions longueur, largeur, hauteur ou profondeur. Un marbre une pièce de charpente, etc sont ce qu' on appelle corps ou solides. Les mesures carrée cubique proviennent des mesures linéaires il est vraisemblable. Qu'on les a déduites des parties du corps humain ainsi que notre système de numération. Le système duo — décimal rendrait les calculs plus faciles; mais on a imaginé le système dé cimal parce que nous avons cinq doigts à chaque main. Par la même raison où a imaginé pour mesures de longueur le pied le pouce la brasse etc.
The first cutting-edge guide to using the SAS® system for the analysis of econometric data Applied Econometrics Using the SAS® System is the first book of its kind to treat the analysis of basic econometric data using SAS®, one of the most commonly used software tools among today's statisticians in business and industry. This book thoroughly examines econometric methods and discusses how data collected in economic studies can easily be analyzed using the SAS® system. In addition to addressing the computational aspects of econometric data analysis, the author provides a statistical foundation by introducing the underlying theory behind each method before delving into the related SAS® routines. The book begins with a basic introduction to econometrics and the relationship between classical regression analysis models and econometric models. Subsequent chapters balance essential concepts with SAS® tools and cover key topics such as: Regression analysis using Proc IML and Proc Reg Hypothesis testing Instrumental variables analysis, with a discussion of measurement errors, the assumptions incorporated into the analysis, and specification tests Heteroscedasticity, including GLS and FGLS estimation, group-wise heteroscedasticity, and GARCH models Panel data analysis Discrete choice models, along with coverage of binary choice models and Poisson regression Duration analysis models Assuming only a working knowledge of SAS®, this book is a one-stop reference for using the software to analyze econometric data. Additional features include complete SAS® code, Proc IML routines plus a tutorial on Proc IML, and an appendix with additional programs and data sets. Applied Econometrics Using the SAS® System serves as a relevant and valuable reference for practitioners in the fields of business, economics, and finance. In addition, most students of econometrics are taught using GAUSS and STATA, yet SAS® is the standard in the working world; therefore, this book is an ideal supplement for upper-undergraduate and graduate courses in statistics, economics, and other social sciences since it prepares readers for real-world careers.
A groundbreaking book based on a landmark quality initiative In today's information-driven enterprises, accuracy is essential in computer-integrated measurement and control systems, where academia, government, and industry invest considerable resources in methodologies for achieving and maintaining high performance. Multisensor Instrumentation 6σ Design offers a blueprint-drawn from the author's thirty years of experience at federal laboratories, steel producers, and General Electric-for defined-accuracy computer-based measurement and control instrumentation. Based on GE's Six-Sigma initiative, which was described by GE Chairman and CEO Jack Welch as "the most important initiative this company has ever undertaken," it presents a proven methodology for defining, measuring, analyzing, improving, and controlling the quality of enterprise products, processes, and transactions. Multisensor Instrumentation 6σ Design offers readers: A proven measurement and process control resource based on an important industry initiative Expert pedagogy from an author with many years of practical industry involvement and electrical engineering instruction A professional reference and textbook with a solutions manual Accompanying user-interactive error-modeling software instrumentation design and spreadsheet An important resource for electrical and computer engineering students and practitioners, as well as professionals in such fields as manufacturing, biotechnology, and process systems, Multisensor Instrumentation 6σ Design is universally applicable to all fields that employ real-time computer integration of processes and transactions. An Instructor's Manual presenting detailed solutions to all the problems in the book is available from the Wiley editorial department.
Presenting a thorough overview of the theoretical foundations of non-parametric system identification for nonlinear block-oriented systems, this book shows that non-parametric regression can be successfully applied to system identification, and it highlights the achievements in doing so. With emphasis on Hammerstein, Wiener systems, and their multidimensional extensions, the authors show how to identify nonlinear subsystems and their characteristics when limited information exists. Algorithms using trigonometric, Legendre, Laguerre, and Hermite series are investigated, and the kernel algorithm, its semirecursive versions, and fully recursive modifications are covered. The theories of modern non-parametric regression, approximation, and orthogonal expansions, along with new approaches to system identification (including semiparametric identification), are provided. Detailed information about all tools used is provided in the appendices. This book is for researchers and practitioners in systems theory, signal processing, and communications and will appeal to researchers in fields like mechanics, economics, and biology, where experimental data are used to obtain models of systems.
The behavior of a chemical system is affected by many physicochemical parameters. The sensitivity of the system's behavior to changes in parameters is known as parametric sensitivity. When a system operates in a parametrically sensitive region, its performance becomes unreliable and changes sharply with small variations in parameters. Thus, it would be of great value to predict sensitivity behavior in chemical systems. This book is the first to provide a thorough treatment of the concept of parametric sensitivity and the mathematical tool it generated, sensitivity analysis. The emphasis is on applications to real situations. The book begins with definitions of various sensitivity indices and describes the numerical techniques used for their evaluation. Extensively illustrated chapters discuss sensitivity analysis in a variety of chemical reactors - batch, tubular, continuous-flow, fixed-bed - and in combustion systems, air pollution, and metabolic processes. Chemical engineers, chemists, graduate students, and researchers will welcome this valuable resource.
In a world where there is increasing demand for the performance of health providers to be measured, there is a need for a more strategic vision of the role that performance measurement can play in securing health system improvement. This volume meets this need by presenting the opportunities and challenges associated with performance measurement in a framework that is clear and easy to understand. It examines the various levels at which health system performance is undertaken, the technical instruments and tools available, and the implications using these may have for those charged with the governance of the health system. Technical material is presented in an accessible way and is illustrated with examples from all over the world. Performance Measurement for Health System Improvement is an authoritative and practical guide for policy makers, regulators, patient groups and researchers.
Emphasizing a practical conception of system unbalances, basic circuits, and calculations, this essential reference/text presents the foundations of symmetrical components with a review of per unit (percent), phasors, and polarity--keeping the mathematics as simple as possible throughout. According to IEEE Electrical Insulation Magazine, this book " rovides students and practicing engineers with a fundamental understanding of the method of symmetrical components and its applications in three-phase electrical systems. . .A useful feature of this book. . .is the incorporation of numerous examples in the text and 30 pages of problems."
This book is devoted to the asymptotic properties of solutions of stochastic evolution equations in infinite dimensional spaces. It is divided into three parts: Markovian dynamical systems; invariant measures for stochastic evolution equations; invariant measures for specific models. The focus is on models of dynamical processes affected by white noise, which are described by partial differential equations such as the reaction-diffusion equations or Navier–Stokes equations. Besides existence and uniqueness questions, special attention is paid to the asymptotic behaviour of the solutions, to invariant measures and ergodicity. Some of the results found here are presented for the first time. For all whose research interests involve stochastic modelling, dynamical systems, or ergodic theory, this book will be an essential purchase.
Get the guidance you need when applying to join the police force in England and Wales with this concise guide that covers everything from the application form to assessment centres.
With a business baseline focused on the impact of embedded systems in the years ahead, the book investigates the Security, Privacy and Dependability (SPD) requirements raised from existing and future IoT, Cyber-Physical and M2M systems. It proposes a new approach to embedded systems SPD, the SHIELD philosophy, that relies on an overlay approach to SPD, on a methodology for composable SPD, on the use of semantics, and on the design of embedded systems with built-in SPD. The book explores new ground and illustrates the development of approximately forty prototypes capable of managing and enhancing SPD, including secure boot, trusted execution environments, adaptable radio interfaces, and different implementations of the middleware for measuring and composing SPD.
- 1
- 2
- 3
- 4
- 5
- 6
隐私声明 | 电子书 | 出版社
主办单位:中国教育图书进出口有限公司
京ICP备11007853号-12 
京公网安备 11010802027623号
Copyright ©爱学术平台 2021, All Rights Reserved