Statistik mit R für Dummies

Author: Joseph Schmuller

Publisher: John Wiley & Sons

ISBN:

Category: Computers

Page: 352

View: 895

Als angehender Wissenschaftler, Manager oder Unternehmensberater sind Sie darauf angewiesen, Daten mit statistischen Methoden fehlerfrei auszuwerten und die Ergebnisse überzeugend darzustellen? Statistik ist allerdings nicht gerade Ihr Fachgebiet? Dann ist dieses Buch genau richtig für Sie. In jedem Kapitel führt der Autor eine statistische Methode vor und erklärt, was man an den Ergebnissen ablesen kann und was nicht. Unmittelbar im Anschluss beschreibt er, wie man die Methode in R implementiert. Denn R lässt mit den dazugehörigen Paketen keine Wünsche in der Statistik offen. In der Regel genügen wenige Zeilen Programmcode. Und das Beste ist: Die statistischen Pakete von R sind kostenlos. Dieses Buch hilft, bessere Entscheidungen zu treffen und Datenmüll zu vermeiden.

Getting a Big Data Job For Dummies

Author: Jason Williamson

Publisher: John Wiley & Sons

ISBN:

Category: Computers

Page: 336

View: 589

Hone your analytic talents and become part of the next big thing Getting a Big Data Job For Dummies is the ultimate guide to landing a position in one of the fastest-growing fields in the modern economy. Learn exactly what "big data" means, why it's so important across all industries, and how you can obtain one of the most sought-after skill sets of the decade. This book walks you through the process of identifying your ideal big data job, shaping the perfect resume, and nailing the interview, all in one easy-to-read guide. Companies from all industries, including finance, technology, medicine, and defense, are harnessing massive amounts of data to reap a competitive advantage. The demand for big data professionals is growing every year, and experts forecast an estimated 1.9 million additional U.S. jobs in big data by 2015. Whether your niche is developing the technology, handling the data, or analyzing the results, turning your attention to a career in big data can lead to a more secure, more lucrative career path. Getting a Big Data Job For Dummies provides an overview of the big data career arc, and then shows you how to get your foot in the door with topics like: The education you need to succeed The range of big data career path options An overview of major big data employers A plan to develop your job-landing strategy Your analytic inclinations may be your ticket to long-lasting success. In a highly competitive job market, developing your data skills can create a situation where you pick your employer rather than the other way around. If you're ready to get in on the ground floor of the next big thing, Getting a Big Data Job For Dummies will teach you everything you need to know to get started today.

Statistik II für Dummies

Author: Deborah J. Rumsey

Publisher: John Wiley & Sons

ISBN:

Category: Mathematics

Page: 372

View: 663

Vom Absolutrang bis zum Zweifach-Varianzanalysemodell – alles, was Sie über weiterführende Statistik wissen sollten Es gibt Qualen, große Qualen und Statistik, so sehen es viele Studenten. Mit diesem Buch lernen Sie weiterführende Statistik so leicht wie möglich. Deborah Rumsey zeigt Ihnen, wie Sie Varianzanalysen und Chi-Quadrat-Tests berechnen, wie Sie mit Regressionen arbeiten, ein Modell erstellen, Korrelationen bilden, nichtparametrische Prozeduren durchführen und vieles mehr. Aber auch die Grundlagen der Statistik bleiben nicht außen vor und deshalb erklärt Ihnen die Autorin, was Sie zu Mittelwerten, Vertrauensintervallen und Co wissen sollten. So lernen Sie die Methoden, die Sie brauchen, und erhalten das Handwerkszeug, um erfolgreich Ihre Statistikprüfungen zu bestehen. Sie erfahren: • Wie Sie mit multiplen Regressionen umgehen • Was es mit dem Vorzeichentest und dem Vorzeichenrangtest auf sich hat • Wie Sie sich innerhalb der statistischen Techniken zurechtfinden • Was das richtige Regressionsmodell für Ihre Analyse ist • Wie Regression und ANOVA zusammenhängen

Statistics for Big Data For Dummies

Author: Alan Anderson

Publisher: John Wiley & Sons

ISBN:

Category: Computers

Page: 384

View: 684

The fast and easy way to make sense of statistics for big data Does the subject of data analysis make you dizzy? You've come to the right place! Statistics For Big Data For Dummies breaks this often-overwhelming subject down into easily digestible parts, offering new and aspiring data analysts the foundation they need to be successful in the field. Inside, you'll find an easy-to-follow introduction to exploratory data analysis, the lowdown on collecting, cleaning, and organizing data, everything you need to know about interpreting data using common software and programming languages, plain-English explanations of how to make sense of data in the real world, and much more. Data has never been easier to come by, and the tools students and professionals need to enter the world of big data are based on applied statistics. While the word "statistics" alone can evoke feelings of anxiety in even the most confident student or professional, it doesn't have to. Written in the familiar and friendly tone that has defined the For Dummies brand for more than twenty years, Statistics For Big Data For Dummies takes the intimidation out of the subject, offering clear explanations and tons of step-by-step instruction to help you make sense of data mining—without losing your cool. Helps you to identify valid, useful, and understandable patterns in data Provides guidance on extracting previously unknown information from large databases Shows you how to discover patterns available in big data Gives you access to the latest tools and techniques for working in big data If you're a student enrolled in a related Applied Statistics course or a professional looking to expand your skillset, Statistics For Big Data For Dummies gives you access to everything you need to succeed.

Big Data For Small Business For Dummies

Author: Bernard Marr

Publisher: John Wiley & Sons

ISBN:

Category: Business & Economics

Page: 256

View: 877

Capitalise on big data to add value to your small business Written by bestselling author and big data expert Bernard Marr, Big Data For Small Business For Dummies helps you understand what big data actually is—and how you can analyse and use it to improve your business. Free of confusing jargon and complemented with lots of step-by-step guidance and helpful advice, it quickly and painlessly helps you get the most from using big data in a small business. Business data has been around for a long time. Unfortunately, it was trapped away in overcrowded filing cabinets and on archaic floppy disks. Now, thanks to technology and new tools that display complex databases in a much simpler manner, small businesses can benefit from the big data that's been hiding right under their noses. With the help of this friendly guide, you'll discover how to get your hands on big data to develop new offerings, products and services; understand technological change; create an infrastructure; develop strategies; and make smarter business decisions. Shows you how to use big data to make sense of user activity on social networks and customer transactions Demonstrates how to capture, store, search, share, analyse and visualise analytics Helps you turn your data into actionable insights Explains how to use big data to your advantage in order to transform your small business If you're a small business owner or employee, Big Data For Small Business For Dummies helps you harness the hottest commodity on the market today in order to take your company to new heights.

UNIX for Dummies

Author: John R. Levine

Publisher: For Dummies

ISBN:

Category: Operating systems (Computers)

Page: 376

View: 196

Take control of this challenging operating system and find out how to make UNIX work for you. UNIX maybe technical, confusing, and nonintuitive, but you don't have to be a tech-head to use it effectively. John Levine and Margaret Levine Young write in an entertaining and breezy style that cuts through all the techno-jargon and makes UNIX understandable. This third edition covers all the major versions, including Linux, Berkeley UNIX, System V Release 4, SunOS, and Solaris.

A Guide to Econometrics

Author: Peter Kennedy

Publisher: MIT Press

ISBN:

Category: Business & Economics

Page: 623

View: 634

A popular, intuitively based overview of econometrics.

The Web After Work for Dummies

Author: Jill H. Ellsworth

Publisher: For Dummies

ISBN:

Category: World Wide Web

Page: 360

View: 622

Web surfers find their PC-side companion with this updated guide to resources, techniques and contacts for their favorite hobbies and interests. Contains updated coverage of how to get started, how to do searches, sending email, getting a home page, and more.

R in Projekten anwenden für Dummies

Author: Joseph Schmuller

Publisher: John Wiley & Sons

ISBN:

Category: Computers

Page: 380

View: 593

Dieses Buch bietet einen einzigartigen Learning-by-Doing-Ansatz. Sie werden Ihre R-Fähigkeiten erweitern und vertiefen, indem Sie eine Vielzahl von Beispielprojekten aus der Praxis nachvollziehen. Erlernen Sie die Grundlagen von R und RStudio sowie Möglichkeiten der Datenreduktion, des Mapping und der Bildverarbeitung. Dabei kommen Werkzeuge zum Einsatz, die Daten grafisch auswerten, die Analyse interaktiv machen oder die maschinelles Lernen einsetzen. Und auf dem Weg dahin können Sie sogar Ihr Statistikwissen noch erweitern. Warum sollten Sie das Rad neu erfinden, wenn es schon fertige R-Pakete gibt, die Ihre Bedürfnisse bedienen? Hier lernen Sie sie kennen.

Bioinformatics For Dummies

Author: Jean-Michel Claverie

Publisher: For Dummies

ISBN:

Category: Medical

Page: 480

View: 279

Bioinformatics – the process of searching biological databases, comparing sequences, examining protein structures, and researching biological questions with a computer – is one of the marvels of modern technology that can save you months of lab work. And the most amazing part is that, if you know how, you can use highly sophisticated programs over the Internet without paying a dime and sometimes, without installing anything new on your own computer. All you need to know is how to use these technological miracles. That's where Bioinformatics For Dummies comes in. If you want to know what bioinformatics is all about and how to use it without wading through pages of computer gibberish or taking a course full of theory, this book has the answers in plain English. You'll find out how to Use Internet resources Understand bioinformatics jargon Research biological databases Locate the sequences you need Perform specific tasks, step by step Written by two experts who helped develop the science, Bioinformatics For Dummies is all about getting things done. If you're just getting your feet wet, start at the beginning with a quick review of those necessary parts of microbiology and an overview of the tools available. If you already know what you want to do, you can go directly to a chapter that shows you how. Get the lowdown on Researching and analyzing DNA and protein sequences Gathering information from all published sources Searching databases for similar sequences and acquiring information about gene functions through sequence comparisons Producing and editing multiple sequence comparisons for presentation Predicting protein structures and RNA structures Doing phylogenetic analysis With an Internet connection and Bioinformatics For Dummies, you'll discover how to peruse databases that contain virtually everything known about human biology. It's like having access to the world's largest lab, right from your desk. This book is your lab assistant – one that never takes a day off, never argues when you ask it for help, and won't demand a benefits package.