The Book of R


Book Description

The Book of R is a comprehensive, beginner-friendly guide to R, the world’s most popular programming language for statistical analysis. Even if you have no programming experience and little more than a grounding in the basics of mathematics, you’ll find everything you need to begin using R effectively for statistical analysis. You’ll start with the basics, like how to handle data and write simple programs, before moving on to more advanced topics, like producing statistical summaries of your data and performing statistical tests and modeling. You’ll even learn how to create impressive data visualizations with R’s basic graphics tools and contributed packages, like ggplot2 and ggvis, as well as interactive 3D visualizations using the rgl package. Dozens of hands-on exercises (with downloadable solutions) take you from theory to practice, as you learn: –The fundamentals of programming in R, including how to write data frames, create functions, and use variables, statements, and loops –Statistical concepts like exploratory data analysis, probabilities, hypothesis tests, and regression modeling, and how to execute them in R –How to access R’s thousands of functions, libraries, and data sets –How to draw valid and useful conclusions from your data –How to create publication-quality graphics of your results Combining detailed explanations with real-world examples and exercises, this book will provide you with a solid understanding of both statistics and the depth of R’s functionality. Make The Book of R your doorway into the growing world of data analysis.




Logical Reasoning


Book Description

This book is designed to engage students' interest and promote their writing abilities while teaching them to think critically and creatively. Dowden takes an activist stance on critical thinking, asking students to create and revise arguments rather than simply recognizing and criticizing them. His book emphasizes inductive reasoning and the analysis of individual claims in the beginning, leaving deductive arguments for consideration later in the course.




A Century of Innovation


Book Description

A compilation of 3M voices, memories, facts and experiences from the company's first 100 years.




The People of Sparks


Book Description

A modern-day classic. This highly acclaimed adventure series about two friends desperate to save their doomed city has captivated kids and teachers alike for almost fifteen years and has sold over 3.5 MILLION copies! Lina and Doon have led the citizens of Ember to an exciting new world. When they discover a village called Sparks, they are welcomed, fed, and given places to sleep. But the town’s resources are limited and it isn’t long before resentment begins to grow between the two groups. When mysterious acts of vandalism cause tempers to erupt, putting everyone’s lives in danger, it’s up to our two heroes to find the courage to stop the conflict and bring peace. Praise for the City of Ember books: Nominated to 28 State Award Lists! An American Library Association Notable Children’s Book A New York Public Library 100 Titles for Reading and Sharing Selection A Kirkus Reviews Editors’ Choice A Child Magazine Best Children’s Book A Mark Twain Award Winner A William Allen White Children’s Book Award Winner “A realistic post-apocalyptic world. DuPrau’s book leaves Doon and Lina on the verge of undiscovered country and readers wanting more.” —USA Today “An electric debut.” —Publishers Weekly, Starred “While Ember is colorless and dark, the book itself is rich with description.” —VOYA, Starred




The Birchbark House


Book Description

This National Book Award finalist by Pulitzer Prize-winning novelist Louise Erdrich is the first installment in an essential nine-book series chronicling 100 years in the life of one Ojibwe family, and includes beautiful interior black-and-white artwork done by the author. She was named Omakayas, or Little Frog, because her first step was a hop. Omakayas and her family live on an island in Lake Superior. Though there are growing numbers of white people encroaching on their land, life continues much as it always has. But the satisfying rhythms of their life are shattered when a visitor comes to their lodge one winter night, bringing with him an invisible enemy that will change things forever—but that will eventually lead Omakayas to discover her calling. By turns moving and humorous, this novel is a breathtaking tour de force by a gifted writer. The beloved and essential Birchbark House series by Louise Erdrich includes The Birchbark House, The Game of Silence, The Porcupine Year, Chickadee, and Makoons.




Networks of Power


Book Description

Awarded the Dexter Prize by the Society for the History of Technology, this book offers a comparative history of the evolution of modern electric power systems. It described large-scale technological change and demonstrates that technology cannot be understood unless placed in a cultural context.







Computer Security


Book Description

This is the eBook of the printed book and may not include any media, website access codes, or print supplements that may come packaged with the bound book. Computer Security: Principles and Practice, 2e, is ideal for courses in Computer/Network Security. In recent years, the need for education in computer security and related topics has grown dramatically – and is essential for anyone studying Computer Science or Computer Engineering. This is the only text available to provide integrated, comprehensive, up-to-date coverage of the broad range of topics in this subject. In addition to an extensive pedagogical program, the book provides unparalleled support for both research and modeling projects, giving students a broader perspective. The Text and Academic Authors Association named Computer Security: Principles and Practice, 1e, the winner of the Textbook Excellence Award for the best Computer Science textbook of 2008.




The City of Ember


Book Description

Many hundreds of years ago, the city of Ember was created by the Builders to contain everything needed for human survival. It worked - but now the storerooms are almost out of food, crops are blighted, corruption is spreading through the city and worst of all - the lights are failing. Soon Ember could be engulfed by darkness-But when two children, Lina and Doon, discover fragments of an ancient parchment, they begin to wonder if there could be a way out of Ember. Can they decipher the words from long ago and find a new future for everyone? Will the people of Ember listen to them?