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It’s tough to argue with R as a high-quality, cross-platform, open source statistical software product—unless you’re in the business of crunching Big Data. This concise book introduces you to several strategies for using R to analyze large datasets, including three chapters on using R and Hadoop together. You’ll learn the basics of Snow, Multicore, Parallel, Segue, RHIPE, and Hadoop Streaming, including how to find them, how to use them, when they work well, and when they don’t. With these packages, you can overcome R’s single-threaded nature by spreading work across multiple CPUs, or offloading work to multiple machines to address R’s memory barrier. Snow: works well in a traditional cluster environment Multicore: popular for multiprocessor and multicore computers Parallel: part of the upcoming R 2.14.0 release R+Hadoop: provides low-level access to a popular form of cluster computing RHIPE: uses Hadoop’s power with R’s language and interactive shell Segue: lets you use Elastic MapReduce as a backend for lapply-style operations
What happens to traditional stories when they are retold in another time and cultural context and for a different audience? This first-of-its-kind study discusses Bible stories, classical myths, heroic legends, Arthurian romances, Robin Hood lore, folk tales, 'oriental' tales, and other stories derived from European cultures. One chapter is devoted to various retellings of classics, from Shakespeare to "Wind in the Willows." The authors offer a general theory of what motivates the retelling of stories, and how stories express the aspirations of a society. An important function of stories is to introduce children to a cultural heritage, and to transmit a body of shared allusions and experienc...
This landmark volume is the first to bring together leading scholarship on children’s and young adult literature from three intersecting disciplines: Education, English, and Library and Information Science. Distinguished by its multidisciplinary approach, it describes and analyzes the different aspects of literary reading, texts, and contexts to illuminate how the book is transformed within and across different academic figurations of reading and interpreting children’s literature. Part one considers perspectives on readers and reading literature in home, school, library, and community settings. Part two introduces analytic frames for studying young adult novels, picturebooks, indigenous...
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This book is the 5th in an exceptional series which, in a most uncommon way, constitutes an original encyclopaedia of esophagology. It is devoted to a single subject: the esophagogastric junction. These few centimetres are dissected into 420 questions which call on all the disciplines involved by its physiology, its diverse diseases and their various treatments. 450 answers, provided by the most renowned experts, each one shedding light on one small, but essential, fragment of the subject. The book offers: A succesion of syntheses; A profusion of targeted bibliographical references; An access, now made easy, to highly elaborated knowledge; A precious volume for researchers, specialists, departments heads, general practitioners and students.
Serotonin and Gastrointestinal Function provides a comprehensive review of current research into the mechanisms by which serotonin acts on gastrointestinal tissues. This book covers neurochemistry, physiology, pharmacology, and clinical issues relevant to serotonin in the gastrointestinal tract. The editors have brought together the most relevant information from the molecular to the clinical level. Each chapter is written by investigators experienced in research on serotonin's actions in the gut. This book will be useful to basic scientists, clinical investigators, graduate and postgraduate students.