This book is about data analysis and the programming language called R. This is rapidly becoming the de-facto standard amongst professionals and is used in every conceivable discipline from science and medicine to business and engineering. This book delves into the language of R and makes it accessible using simple data examples to explore its power and versatility. In learning how to "speak R" you will unlock its potential and gain better insights into tackling even the most complex of data analysis tasks. This book is a complete beginners guide but will also appeal to seasoned users as a resource that can be referred to time and time again. There are sections on a variety of tasks that users of R need to know including: Getting and Installing R On Your Computer Creating Data Ready For Analysis Summarizing Data Simple Hypothesis Testing Creating and Using Graphs Formula Notation and Complex Statistics Under the Hood: Creating and Manipulating R Objects Writing Your Own Scripts: Beginning to Program Throughout the text simple examples are used to help illustrate the various ideas and concepts.