Book Image

Statistical Analysis with R

By : John M. Quick
Book Image

Statistical Analysis with R

By: John M. Quick

Overview of this book

<p>R is a data analysis tool, graphical environment, and programming language. Without any prior experience in programming or statistical software, this book will help you quickly become a knowledgeable user of R. Now is the time to take control of your data and start producing superior statistical analysis with R.<br /><br />This book will take you on a journey as the strategist for an ancient Chinese kingdom. Along the way, you will learn how to use R to arrive at practical solutions and how to effectively communicate your results. Ultimately, the fate of the kingdom depends on your ability to make informed, data-driven decisions with R.<br /><br />You have unexpectedly been thrust into the role of lead strategist for the kingdom. After you install your predecessor's mysterious data analysis tool, you will begin to explore its fundamental elements. Next, you will use R to import and organize your data. Then, you will use functions and statistical analysis to arrive at potential courses of action. Subsequently, you will design your own functions to assess the practical impacts of your predictions. Lastly, you will focus on communicating your results through the use of charts, plots, graphs, and custom built visualizations. The fate of the kingdom is in your hands. Your rapid development as a master R strategist is the key to future success.</p>
Table of Contents (17 chapters)
Statistical Analysis with R Beginner's Guide
Credits
About the Author
About the Reviewers
Preface
Index

Summary


During this chapter, you used several custom functions to predict outcomes and then evaluated your predictions from a practical perspective. Ultimately, you determined the best strategy available for the Shu army's next attack. While coming to this conclusion, you acquired the knowledge and skills necessary to:

  • Use regression models to predict outcomes

  • Create your own custom functions to address specific needs

  • Assess the viability of achieving the outcomes predicted by regression models

While you may have decided on a course of action for the Shu forces, your job is far from over. The major challenge at this point is to convey your ideas to others in such a way that they can be easily understood.

The next section of our book deals with the challenge of communicating the results of our data analyses. In Chapter 7, we will focus on conducting a complete, organized analysis in R. In Chapter 8, we will seek support from the emperor by presenting our battle plans graphically. In Chapter 9...