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Multiple Imputation and its Application Multiple Imputation and its Application

Автор: Carpenter James

Год издания: 0000

A practical guide to analysing partially observed data. Collecting, analysing and drawing inferences from data is central to research in the medical and social sciences. Unfortunately, it is rarely possible to collect all the intended data. The literature on inference from the resulting incomplete data is now huge, and continues to grow both as methods are developed for large and complex data structures, and as increasing computer power and suitable software enable researchers to apply these methods. This book focuses on a particular statistical method for analysing and drawing inferences from incomplete data, called Multiple Imputation (MI). MI is attractive because it is both practical and widely applicable. The authors aim is to clarify the issues raised by missing data, describing the rationale for MI, the relationship between the various imputation models and associated algorithms and its application to increasingly complex data structures. Multiple Imputation and its Application: Discusses the issues raised by the analysis of partially observed data, and the assumptions on which analyses rest. Presents a practical guide to the issues to consider when analysing incomplete data from both observational studies and randomized trials. Provides a detailed discussion of the practical use of MI with real-world examples drawn from medical and social statistics. Explores handling non-linear relationships and interactions with multiple imputation, survival analysis, multilevel multiple imputation, sensitivity analysis via multiple imputation, using non-response weights with multiple imputation and doubly robust multiple imputation. Multiple Imputation and its Application is aimed at quantitative researchers and students in the medical and social sciences with the aim of clarifying the issues raised by the analysis of incomplete data data, outlining the rationale for MI and describing how to consider and address the issues that arise in its application.
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Development with PHP 4.0 Web Application Development with PHP 4.0

Автор: Tobias Ratschiller, Till Gerken

Год издания: 

While the success of Open Source software like Linux or Apache has been documented extensively throughout all mainstream media, the rise of PHP has gone largely unnoticed. Still, the Web scripting language PHP is the most popular module for the Apache Web server, according to an E-Soft survey (www.e-softinc.com/survey/). Netcraft studies have found that PHP is in use on over 6% of all Web domains in the world (see www.netcraft.com/survey).That’s an incredible market penetration for a rather specialized product.This popularity continues to rise exponentially. Increasingly, this is being reflected in traditional media: As of May, 2000, more than 20 books about PHP have been published in different languages, with more in the pipeline. Commercial players are beginning to join the bandwagon: PHP is included with Web servers, for example C2’s Stronghold, and Linux distributions. A new company, Zend Technologies, has been formed to provide commercial add-ons and support for PHP.A long list of large-scale Web sites employ PHP, as well as hundreds of thousands of small to medium Web sites.

Secure PHP Development: Building 50 Practical Applications Secure PHP Development: Building 50 Practical Applications

Автор: Mohammed J. Kabir

Год издания: 

The personal home page (PHP) server-side scripting language is particular well adapted to connecting HTML-based web pages to a backend database for dynamic content. This book explains the entire nuts-and-bolts process of the PHP application life cycle: requirements, design, development, maintenance and tuning. It shows how PHP can be used to design and develop highly manageable and secure applications to solve practical problems.

 Oracle Database 10g XML & SQL: Design, Build, & Manage XML Applications in Java, C, C++, & PL/SQL Oracle Database 10g XML & SQL: Design, Build, & Manage XML Applications in Java, C, C++, & PL/SQL

Автор: Mark Scardina

Год издания: 

Written by members of the Oracle XML group, this is a must-have reference for all IT managers, DBAs, and developers who want to learn the best practices for using XML with Oracle’s XML-enabled products. Includes real-world case studies based on theauthors’ experience managing Oracle’s XML Discussion Forum - a community of 20,000+ XML component users.

Principles and Applications of Electrical Engineering Principles and Applications of Electrical Engineering

Автор: Giorgio Rizzoni

Год издания: 

Rizzoni is designed for the sophomore/junior level, Introduction to Electrical Engineering course required for non-EE majors. The most widely used book for this course, Rizzoni introduces non-majors to the three basic areas of electrical engineering: circuits, electronics, and electromechanics. The second edition continues the tradition of focusing on the topics and issues of interest to the non-electrical engineering student. To maintain student interest in these topics, Rizzoni provides numerous links between electrical engineering and other engineering fields.

A treatise on the general principles, powers, and facility of application of the Congreve Rocket System, as compared with artillery A treatise on the general principles, powers, and facility of application of the Congreve Rocket System, as compared with artillery

Автор: William Congreve

Год издания: 

Полный вариант заголовка: «A treatise on the general principles, powers, and facility of application of the Congreve Rocket System, as compared with artillery : showing the various applications of this weapon, both for sea and land service, and its different uses in the field and in sieges : illustrated by plates of the principal exercises and cases of actual service : with a demonstration of the comparative economy of the system / by Sir W. Congreve».