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R for Everyone: Advanced Analytics and Graphics
Jared P. Lander - 2013
R has traditionally been difficult for non-statisticians to learn, and most R books assume far too much knowledge to be of help. R for Everyone is the solution. Drawing on his unsurpassed experience teaching new users, professional data scientist Jared P. Lander has written the perfect tutorial for anyone new to statistical programming and modeling. Organized to make learning easy and intuitive, this guide focuses on the 20 percent of R functionality you'll need to accomplish 80 percent of modern data tasks. Lander's self-contained chapters start with the absolute basics, offering extensive hands-on practice and sample code. You'll download and install R; navigate and use the R environment; master basic program control, data import, and manipulation; and walk through several essential tests. Then, building on this foundation, you'll construct several complete models, both linear and nonlinear, and use some data mining techniques. By the time you're done, you won't just know how to write R programs, you'll be ready to tackle the statistical problems you care about most. COVERAGE INCLUDES - Exploring R, RStudio, and R packages - Using R for math: variable types, vectors, calling functions, and more - Exploiting data structures, including data.frames, matrices, and lists - Creating attractive, intuitive statistical graphics - Writing user-defined functions - Controlling program flow with if, ifelse, and complex checks - Improving program efficiency with group manipulations - Combining and reshaping multiple datasets - Manipulating strings using R's facilities and regular expressions - Creating normal, binomial, and Poisson probability distributions - Programming basic statistics: mean, standard deviation, and t-tests - Building linear, generalized linear, and nonlinear models - Assessing the quality of models and variable selection - Preventing overfitting, using the Elastic Net and Bayesian methods - Analyzing univariate and multivariate time series data - Grouping data via K-means and hierarchical clustering - Preparing reports, slideshows, and web pages with knitr - Building reusable R packages with devtools and Rcpp - Getting involved with the R global community
Collector Bro: The Quixotic 'Thallals' of a Civil Servant
Prasanth Nair - 2021
An untold one that played out in the district of Kozhikode when a young IAS officer took charge as the District Collector in 2015. Over the next two years, he led the district and transformed the very concept of public administration with the use of social media, public consultation, usage of technology, volunteerism and public participation in governance. The two year tenure of 'Collector Bro' in Kozhikode transformed the landscape and narrative of district administration and communication with the citizens forever.Within a couple of months, 'Collector Kozhikode' Facebook page became a trendsetter in Kerala, and the most followed district administration page in India. It still is. With initiatives like Compassionate Kozhikode, Operation Sulaimani, Savari Giri Giri, Kozhipedia, Freedom Café, Yo Appooppa and Tere Mere Beach Mein, IAS officer Prasanth Nair, who was the District Collector of Kozhikode at that time, ushered in a new language of governance that endeavoured to bridge the gap between the district administration and citizens through the optimal employment of social media. The District Collector descended from the colonial ivory towers and mingled as one amongst the common man, totally dismantling the hierarchical stereotypes that the society was used to.This book traces the story of how exactly this happened and how and why the public responded so overwhelmingly to such an initiative. It also chronicles how these experiences transformed the young officer also - from a hesitant public speaker to a crowd-puller, from an introvert to a seemingly extrovert energetic leader. For the first time, the emotional roller-coaster of events that re-shaped the attitude and language of engagement by District administration is narrated with all the inside-stories. Straight from the horse's mouth. The author however takes pains not to take centre-stage in the book and manages that somewhat with wit and self-deprecating humour. This book has got nothing to do with government; but it is all about governance, life and compassion. At one level it is a collection of case-studies, the most readable and engrossing ones, narrated with fun and illustrations. At another level it is a chronicle of a personal journey of a compassionate administrator. This is not a typical arrogant bureaucratic ‘I did this’ book, but an ‘I went through this’ book. Not a high-horsed motivational ‘you can do it’ book, but a book that makes you think and prioritise what you want to do in life.As Dr. Shashi Tharoor says in the foreword, a must read for all civil servants, civil-service aspirants, students of public administration and all citizens who dream for a better tomorrow.
Mastering Algorithms with C
Kyle Loudon - 1999
Mastering Algorithms with C offers you a unique combination of theoretical background and working code. With robust solutions for everyday programming tasks, this book avoids the abstract style of most classic data structures and algorithms texts, but still provides all of the information you need to understand the purpose and use of common programming techniques.Implementations, as well as interesting, real-world examples of each data structure and algorithm, are included.Using both a programming style and a writing style that are exceptionally clean, Kyle Loudon shows you how to use such essential data structures as lists, stacks, queues, sets, trees, heaps, priority queues, and graphs. He explains how to use algorithms for sorting, searching, numerical analysis, data compression, data encryption, common graph problems, and computational geometry. And he describes the relative efficiency of all implementations. The compression and encryption chapters not only give you working code for reasonably efficient solutions, they offer explanations of concepts in an approachable manner for people who never have had the time or expertise to study them in depth.Anyone with a basic understanding of the C language can use this book. In order to provide maintainable and extendible code, an extra level of abstraction (such as pointers to functions) is used in examples where appropriate. Understanding that these techniques may be unfamiliar to some programmers, Loudon explains them clearly in the introductory chapters.Contents include:PointersRecursionAnalysis of algorithmsData structures (lists, stacks, queues, sets, hash tables, trees, heaps, priority queues, graphs)Sorting and searchingNumerical methodsData compressionData encryptionGraph algorithmsGeometric algorithms
The Elements of Computing Systems: Building a Modern Computer from First Principles
Noam Nisan - 2005
The books also provides a companion web site that provides the toold and materials necessary to build the hardware and software.
Learning UML 2.0: A Pragmatic Introduction to UML
Russ Miles - 2006
Every integrated software development environment in the world--open-source, standards-based, and proprietary--now supports UML and, more importantly, the model-driven approach to software development. This makes learning the newest UML standard, UML 2.0, critical for all software developers--and there isn't a better choice than this clear, step-by-step guide to learning the language."--Richard Mark Soley, Chairman and CEO, OMGIf you're like most software developers, you're building systems that are increasingly complex. Whether you're creating a desktop application or an enterprise system, complexity is the big hairy monster you must manage.The Unified Modeling Language (UML) helps you manage this complexity. Whether you're looking to use UML as a blueprint language, a sketch tool, or as a programming language, this book will give you the need-to-know information on how to apply UML to your project. While there are plenty of books available that describe UML, Learning UML 2.0 will show you how to use it. Topics covered include:Capturing your system's requirements in your model to help you ensure that your designs meet your users' needsModeling the parts of your system and their relationshipsModeling how the parts of your system work together to meet your system's requirementsModeling how your system moves into the real world, capturing how your system will be deployedEngaging and accessible, this book shows you how to use UML to craft and communicate your project's design. Russ Miles and Kim Hamilton have written a pragmatic introduction to UML based on hard-earned practice, not theory. Regardless of the software process or methodology you use, this book is the one source you need to get up and running with UML 2.0.Russ Miles is a software engineer for General Dynamics UK, where he works with Java and Distributed Systems, although his passion at the moment is Aspect Orientation and, in particular, AspectJ. Kim Hamilton is a senior software engineer at Northrop Grumman, where she's designed and implemented a variety of systems including web applications and distributed systems, with frequent detours into algorithms development.
Frank Wood's Business Accounting, Volume 2
Frank Wood - 1993
Now in its eleventh edition, it has become the standard introductory text for accounting students and professionals alike. The book is used on a wide variety of courses in accounting and business, both at secondary and tertiary level and for those studying for professional qualifications. It builds on Business Accounting 1 to cover advanced aspects of financial accounting. It also covers introductory aspects of management accounting suitable for use at all levels up to and including professional foundation level courses and first-year degree courses.
Teaching Science with Interactive Notebooks
Kellie Marcarelli - 2010
Packed with student examples, this detailed guide explains the unique features that make interactive notebooks more effective tools than conventional notebooks for science classrooms. This resource:Describes the nuts and bolts of implementing interactive notebooks, including execution, time management, and grading Uses the 5E Learning Cycle as the framework for science instruction Emphasizes the importance of writing in science and provides strategies for modeling effective writing Explores strategies to encourage collaborative student inquiry and foster whole-class discussions
Debugging: The 9 Indispensable Rules for Finding Even the Most Elusive Software and Hardware Problems
David J. Agans - 2002
Written in a frank but engaging style, Debuggingprovides simple, foolproof principles guaranteed to help find any bug quickly. This book makes those shelves of application-specific debugging books (on C++, Perl, Java, etc.) obsolete. It changes the way readers think about debugging, making those pesky problems suddenly much easier to find and fix. Illustrating the rules with real-life bug-detection war stories, the book shows readers how to: * Understand the system: how perceiving the ""roadmap"" can hasten your journey * Quit thinking and look: when hands-on investigation can’t be avoided * Isolate critical factors: why changing one element at a time can be an essential tool * Keep an audit trail: how keeping a record of the debugging process can win the day
The Official Guide to the GRE Revised General Test [with CD-ROM]
Educational Testing Service - 2007
It's packed with everything you need to do your best on the test--and move toward your graduate or business school degree.Only ETS can show you exactly what to expect on the test, tell you precisely how the test is scored, and give you hundreds of authentic test questions for practice That makes this guide your most reliable and accurate source for everything you need to know about the GRE revised General Test.No other guide to the GRE revised General Test gives you: Four complete, real tests--two in the book and two on CD-ROM Hundreds of authentic test questions--so you can study with the real thing In-depth descriptions of the Verbal Reasoning and Quantitative Reasoning measures plus valuable tips for answering each question type Detailed overview of the two types of Analytical Writing essay tasks including scored sample responses and actual raters' comments Everything you need to know about the test, straight from the test makers
Design Basics
David A. Lauer - 1941
Each concept is presented in a full two- or four-page spread, making the text practical and easy for students to refer to while they work. The modular format also gives instructors the utmost flexibility in organizing their course. Visual examples from many periods, peoples, and cultures are provided for all elements and principles of design, and the diversity of illustrations also includes examples from nature and non-art sources, encouraging students to see these principles in the world.
Designing the Moment: Web Interface Design Concepts in Action
Robert Hoekman Jr. - 2008
In The Obvious Interface, Robert Hoekman, author of Designing the Obvious, presents over 30 stories that illustrate how to put good design principles to work on real-world web application interfaces to make them obvious and compelling. From the first impression to the last, Hoekman takes a think out loud approach to interface design to show us how to look critically at design decisions to ensure that human beings, the kind that make mistakes and do things we don't expect, can walk away from our software feeling productive, respected, and smart.
The Haskell Road to Logic, Maths and Programming
Kees Doets - 2004
Haskell emerged in the last decade as a standard for lazy functional programming, a programming style where arguments are evaluated only when the value is actually needed. Haskell is a marvellous demonstration tool for logic and maths because its functional character allows implementations to remain very close to the concepts that get implemented, while the laziness permits smooth handling of infinite data structures.This book does not assume the reader to have previous experience with either programming or construction of formal proofs, but acquaintance with mathematical notation, at the level of secondary school mathematics is presumed. Everything one needs to know about mathematical reasoning or programming is explained as we go along. After proper digestion of the material in this book the reader will be able to write interesting programs, reason about their correctness, and document them in a clear fashion. The reader will also have learned how to set up mathematical proofs in a structured way, and how to read and digest mathematical proofs written by others.
An Introduction to Modern Cosmology
Andrew Liddle - 2003
The Big Bang Cosmology is explored, looking at its observational successes in explaining the expansion of the Universe, the existence and properties of the cosmic microwave background, and the origin of light elements in the universe. Properties of the very early Universe are also covered, including the motivation for a rapid period of expansion known as cosmological inflation. The third edition brings this established undergraduate textbook up-to-date with the rapidly evolving observational situation. This fully revised edition of a bestseller takes an approach which is grounded in physics with a logical flow of chapters leading the reader from basic ideas of the expansion described by the Friedman equations to some of the more advanced ideas about the early universe. It also incorporates up-to-date results from the Planck mission, which imaged the anisotropies of the Cosmic Microwave Background radiation over the whole sky. The Advanced Topic sections present subjects with more detailed mathematical approaches to give greater depth to discussions. Student problems with hints for solving them and numerical answers are embedded in the chapters to facilitate the reader's understanding and learning. Cosmology is now part of the core in many degree programs. This current, clear and concise introductory text is relevant to a wide range of astronomy programs worldwide and is essential reading for undergraduates and Masters students, as well as anyone starting research in cosmology.
How to (Almost) Make Friends on the Internet
Michael Cunningham - 2020
And one very annoyed world.Based on the ingenious Sir Michael Twitter account, How to (Almost) Make Friends on the Internet is the funniest book you'll read this year.Whether it's offering his services as a Karate Lawyer or Funeral DJ, devising the world's worst plan to get a free haircut, or trying to buy a blue bucket that may or may not be for sale, Michael just wants to connect with people.The only problem is that people are slightly less enthusiastic about connecting with him, and the results are utterly hilarious.Warning: you'll never think about adding someone called Michael to a group chat the same way ever again.
Who Killed Albus Dumbledore?: What Really Happened in Harry Potter and the Half-Blood Prince? Six Expert Harry Potter Detectives Examine the Evidenc
John Granger - 2006
Joyce Odell of Red Hen Productions, Daniella Teo of Mugglenet, Sally M. Gallo of The Leaky Cauldron, Wendy B. Harte and the mysterious "Swythyv" - along with editor, John Granger (author of Hidden Key to Harry Potter, etc.)- provide Harry Potter readers with exciting and insightful ideas of what happened and what will happen based on their close reading of the texts ... ideas that will challenge and engage readers everywhere. Travis Prinzi, creator of THE SWORD OF GRIFFYNDOR website, writes that these essays "will stand as a monument to the kind of guesswork we were all involved in as we awaited the final Harry Potter book."