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Learn how to use R to turn raw data into insight, knowledge, and understanding. This book introduces you to R, RStudio, and the tidyverse, a collection of R packages designed to work together to make data science fast, fluent, and fun. Suitable for readers with no previous programming experience, R for Data Science is designed to get you doing data science as quickly as possible. Authors Hadley Wickham and Garrett Grolemund guide you through the steps of importing, wrangling, exploring, and modeling your data and communicating the results. You'll get a complete, big-picture understanding of the data science cycle, along with basic tools you need to manage the details. Each section of the book is paired with exercises to help you practice what you've learned along the way. You'll learn how to: Wrangle—transform your datasets into a form convenient for analysis Program—learn powerful R tools for solving data problems with greater clarity and ease Explore—examine your data, generate hypotheses, and quickly test them Model—provide a low-dimensional summary that captures true "signals" in your dataset Communicate—learn R Markdown for integrating prose, code, and results
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The book presents a unified and self-sufficient and reader-friendly introduction to the anisotropic elasticity theory necessary to model a wide range of point, line, planar and volume type crystal defects (e.g., vacancies, dislocations, interfaces, inhomogeneities and inclusions).The necessary elasticity theory is first developed along with basic methods for obtaining solutions. This is followed by a detailed treatment of each defect type. Included are analyses of their elastic fields and energies, their interactions with imposed stresses and image stresses, and the interactions that occur between them, all employing the basic methods introduced earlier.All results are derived in full with i...
"For the span of one hundred years, Peter, Theodore, and J. Fred. Wolle formed an American musical dynasty. While each musician was rooted in the Moravian musical tradition, particularly through the innovations of The Bach Choir of Bethlehem, their influence extended beyond the Moravian Church and became a major force in Bach performance in America. The early characterization of Bethlehem, Pennsylvania as the American Bayreuth remains an apt one to this day." "The musical tradition that shaped these musicians was centered in Nazareth (1740) and Bethlehem (1742), the first Moravian communities founded in Pennsylvania. In addition to schools for young children, the Moravians established academ...
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When you're dealing with any piece of real estate in Massachusetts, you need to understand the applicable land use regulations and cases. This revised Fourth Edition of Mark Bobrowski's Handbook of Massachusetts Land Use and Planning Law provides all the insightful analysis and practical, expert advice you need, with detailed coverage of such important issues as: Affordable housing Special permit and variance decisions Zoning in Boston Nonconforming uses and structures Administrative appeal procedures Enforcement requests Building permits Vested rights Agricultural use exemptions Current tests for exactions SLAPP suit procedures Impact fees Civil rights challenges. Helpful tables facilitate convenient case law review, while forms and extensive cross-references add to the book's usefulness. Previous Edition: Handbook of Massachusetts Land Use and Planning Law, Third Edition, ISBN 9781454801474
Issues in Global Environment—Biology and Geoscience: 2013 Edition is a ScholarlyEditions™ book that delivers timely, authoritative, and comprehensive information about Wildlife Research. The editors have built Issues in Global Environment—Biology and Geoscience: 2013 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Wildlife Research in this book to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Global Environment—Biology and Geoscience: 2013 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index