Let us continue to the most extensive phase of our data analysis, which consists of developing the optimal regression model for our situation. Ultimately, we want to predict the performance rating of the Shu army under potential fire attack strategies. From our previous exploration of the data, we have reason to believe that successful execution greatly influences the outcome of battle. We can also infer that the duration of a battle has some impact on its outcome. At the same time, it appears that the number of soldiers engaged in battle does not have a large impact on the result. However, since the numbers of Shu and Wei soldiers themselves are highly correlated, there is a potential interaction effect between the two that is worth investigating. We will start by using our insights to create a set of potentially useful models:
Statistical Analysis with R
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Statistical Analysis with R
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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>
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Statistical Analysis with R
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Table of Contents (17 chapters)
Statistical Analysis with R Beginner's Guide
Credits
About the Author
About the Reviewers
Preface
Free Chapter
Uncovering the Strategist's Data Analysis Tool
Preparing R for Battle
Exploring the Mysterious Data Analysis Tool
Collecting and Organizing Information
Assessing the Situation
Planning the Attack
Organizing the Battle Plans
Briefing the Emperor
Briefing the Generals
Becoming a Master Strategist
Pop Quiz Answer Key
Index
Customer Reviews