In this book, you’ll learn how many of the most fundamental data science tools and algorithms work by implementing them from scratch. If you have an aptitude for mathematics and some programming skills, author Joel Grus will help you get comfortable with the math and statistics at the core of data science, and with hacking skills you need to get started as a data scientist. Today’s messy glut of data holds answers to questions no one’s even thought to ask. This book provides you with the know-how to dig those answers out. Get a crash course in Python Learn the basics of linear algebra, statistics, and probability—and understand how and when they're used in data science Collect, explore, clean, munge, and manipulate data Dive into the fundamentals of machine learning Implement models such as k-nearest Neighbors, Naive Bayes, linear and logistic regression, decision trees, neural networks, and clustering Explore recommender systems, natural language processing, network analysis, MapReduce, and databases

    He solidified his standing as the nation's foremost political forecaster with his near perfect prediction of the 2012 election. Silver is the founder and editor in chief of FiveThirtyEight.com. Drawing on his own groundbreaking work, Silver examines the world of prediction, investigating how we can distinguish a true signal from a universe of noisy data. Most predictions fail, often at great cost to society, because most of us have a poor understanding of probability and uncertainty. Both experts and laypeople mistake more confident predictions for more accurate ones. But overconfidence is often the reason for failure. If our appreciation of uncertainty improves, our predictions can get better too. This is the "prediction paradox": The more humility we have about our ability to make predictions, the more successful we can be in planning for the future.In keeping with his own aim to seek truth from data, Silver visits the most successful forecasters in a range of areas, from hurricanes to baseball, from the poker table to the stock market, from Capitol Hill to the NBA. He explains and evaluates how these forecasters think and what bonds they share. What lies behind their success? Are they good-or just lucky? What patterns have they unraveled? And are their forecasts really right? He explores unanticipated commonalities and exposes unexpected juxtapositions. And sometimes, it is not so much how good a prediction is in an absolute sense that matters but how good it is relative to the competition. In other cases, prediction is still a very rudimentary-and dangerous-science.Silver observes that the most accurate forecasters tend to have a superior command of probability, and they tend to be both humble and hardworking. They distinguish the predictable from the unpredictable, and they notice a thousand little details that lead them closer to the truth. Because of their appreciation of probability, they can distinguish the signal from the noise.

    An interesting and reader friendly writing style makes for a clear presentation, complete with all the necessary assumptions and mathematical details. Chapter topics include probability concepts and applications, decision models and decision trees, regression models, forecasting, inventory control models, linear programming modeling applications and computer analyses, network models, project management, simulation modeling, and more. For an introduction toquantitative analysis, quantitative management, operations research, or management science-especially for those individuals preparing for work in agricultural economics and health care fields.

    Addressing the growing demand to learn how to manage personal investments and finances, the authors have turned the spotlight on individual rather than institutional investors. Their strong real-word focus includes superior coverage of mutual funds, international investments, and investment decision techniques. The new edition makes use of the Internet through exercises and cross references to Internet resources. An accompanying CD-ROM offers hands-on practice in analyzing companies for investment purposes. All these distinctive features ensure that Fundamentals of Investing will continue to define the market for years to come.

    From randomized clinical trials in medical research, to statistical models of risk in banking and hedge fund industries, to the statistical tools used to probe vast astronomical databases, the field of statistics has become centrally important to how we understand our world. But the discipline underlying all these is not the dull statistics of the popular imagination. Long gone are the days of manual arithmetic manipulation. Nowadays statistics is a dynamic discipline, revolutionized by the computer, which uses advanced software tools to probe numerical data, seeking structures, patterns, and relationships. This Very Short Introduction sets the study of statistics in context, describing its history and giving examples of its impact, summarizes methods of gathering and evaluating data, and explains the role played by the science of chance, of probability, in statistical methods. The book also explores deep philosophical issues of induction--how we use statistics to discern the true nature of reality from the limited observations we necessarily must make.About the Series: Combining authority with wit, accessibility, and style, Very Short Introductions offer an introduction to some of life's most interesting topics. Written by experts for the newcomer, they demonstrate the finest contemporary thinking about the central problems and issues in hundreds of key topics, from philosophy to Freud, quantum theory to Islam.

     So many board members—especially of small nonprofits—want to support a nonprofit and readily accept the invitation to join the board. It’s only then that they discover they are in over their heads, with no idea of their expectations and responsibilities. The Little Book of Boards is here to throw that drowning board member a rope. Told with a conversational style, this book will lead you through the basics of being on a board, how meetings work, and what’s expected between meetings. In addition, at the back of the book are several in-depth resources for understanding Roberts Rules of Order, bylaws, committee structures, board leadership, and much more. Perfect for any new board member—or for an entire board that is feeling lost—this book and its common sense approach will serve you every year you are on the board.

    You'll discover the power of storytelling and the way to make data a pivotal point in your story. The lessons in this illuminative text are grounded in theory, but made accessible through numerous real-world examples--ready for immediate application to your next graph or presentation.Storytelling is not an inherent skill, especially when it comes to data visualization, and the tools at our disposal don't make it any easier. This book demonstrates how to go beyond conventional tools to reach the root of your data, and how to use your data to create an engaging, informative, compelling story. Specifically, you'll learn how to:Understand the importance of context and audience Determine the appropriate type of graph for your situation Recognize and eliminate the clutter clouding your information Direct your audience's attention to the most important parts of your data Think like a designer and utilize concepts of design in data visualization Leverage the power of storytelling to help your message resonate with your audience Together, the lessons in this book will help you turn your data into high impact visual stories that stick with your audience. Rid your world of ineffective graphs, one exploding 3D pie chart at a time. There is a story in your data--Storytelling with Data will give you the skills and power to tell it!

    Macroeconomics1. Maximizing UtilityDecreasing Marginal Utility | Opportunity Costs2. Evaluating Production PossibilitiesProduction Possibilities Frontiers | Absolute and Comparative Advantage3. DemandDeterminants of Demand | Elasticity of Demand | Change in Demand vs. Change in Quantity Demanded4. SupplyDeterminants of Supply | Elasticity of Supply | Change in Supply vs. Change in Quantity Supplied5. Market EquilibriumHow Market Equilibrium is Reached | The Effect of Changes in Supply and Demand6. Government InterventionPrice Ceilings and Price Floors | Taxes and Subsidies7. Costs of ProductionMarginal Cost of Production | Fixed vs. Variable Costs | Short Run vs. Long Run | Sunk Costs | Economic Costs vs. Accounting Costs8. Perfect CompetitionFirms Are Price Takers | Making Decisions at the Margin | Consumer and Producer Surplus9. MonopolyMarket Power | Deadweight Loss with a Monopoly | Monopolies and Government10. OligopolyCollusion | Cheating the Cartel | Government Intervention in Oligopolies11. Monopolistic CompetitionCompeting via Product Differentiation | Loss of Surplus with Monopolistic CompetitionConclusion: The Insights and Limitations of Economics

    It offers Web exercises for every chapter, password protected instructor support material and syllabus manager.

    Covering such topics as: Whether you should be a limited company or self employed? What part of business finances do you really need to understand and which parts can you ignore. Whether you become VAT registered. When your tax is due and how much it will be. Setting up bank accounts. Getting paid by your customers. Managing your cash flow. Getting your pricing right. Russell Smith has worked with over 400 clients all across the UK and is a national expert on small business tax and accounts. His clients include doctors, dentists, psychologists, web-designers, musicians, marketing agencies, IT contractors, artists, graphic designers and many more. Russell Smith is the only chartered accountant in the world to blog every day - you can find it at www.rsaccountancy.co.uk/daily-blog. Russell also has a YouTube channel where he releases weekly 2 minute finance basics: www.youtube.com/RussellSmithtips. There is also a free tax, accounts and profit review with customised action plan worth £200 for readers of this book.

    Starting with a "macro" view of accounting information, the authors present real financial statements. They establish how a financial statement communicates the financing, investing, and operating activities of a business to users of accounting information. Kimmel, Weygandt and Kieso motivate students by grounding the discussion in the real world, showing them the relevance of the topics covered to their future.

    Mitchell covers the field of machine learning, the study of algorithms that allow computer programs to automatically improve through experience and that automatically infer general laws from specific data.

    Wade have on violent crime? Freakonomics will literally redefine the way we view the modern world.These may not sound like typical questions for an economist to ask. But Steven D. Levitt is not a typical economist. He is a much heralded scholar who studies the stuff and riddles of everyday life -- from cheating and crime to sports and child rearing -- and whose conclusions regularly turn the conventional wisdom on its head. He usually begins with a mountain of data and a simple, unasked question. Some of these questions concern life-and-death issues; others have an admittedly freakish quality. Thus the new field of study contained in this book: freakonomics.Through forceful storytelling and wry insight, Levitt and co-author Stephen J. Dubner show that economics is, at root, the study of incentives -- how people get what they want, or need, especially when other people want or need the same thing. In Freakonomics, they set out to explore the hidden side of ... well, everything. The inner workings of a crack gang. The truth about real-estate agents. The myths of campaign finance. The telltale marks of a cheating schoolteacher. The secrets of the Ku Klux Klan.What unites all these stories is a belief that the modern world, despite a surfeit of obfuscation, complication, and downright deceit, is not impenetrable, is not unknowable, and -- if the right questions are asked -- is even more intriguing than we think. All it takes is a new way of looking. Steven Levitt, through devilishly clever and clear-eyed thinking, shows how to see through all the clutter.Freakonomics establishes this unconventional premise: If morality represents how we would like the world to work, then economics represents how it actually does work. It is true that readers of this book will be armed with enough riddles and stories to last a thousand cocktail parties. But Freakonomics can provide more than that. It will literally redefine the way we view the modern world.(front flap)

    What's new in the Second Edition? 1. Fully compliant with the latest version of SPSS version 12 2. More coverage of advanced statistics including completely new coverage of non-parametric statistics. The book is 50 per cent longer than the First Edition. 3. Each section of each chapter now has a notation - 1,2 or 3 - referring to the intended level of study. This helps students navigate their way through the book and makes it user-friendly for students of ALL levels. 4. Has a 'how to use this book' section at the start of the text. 5. Characters in each chapter have defined roles - summarizing key points, to pose questions etc 6. Each chapter now has several examples for students to work through. Answers provided on the enclosed CD-ROM