04332oam 2200517 450 991080801020332120190911100039.01-119-05585-71-119-05583-0(OCoLC)911492329(MiFhGG)GVRL04FA(EXLCZ)99371000000043731720150520h20152015 uy 0engurun|---uuuuatxtccrR for dummies /by Andrie de Vries and Joris MeysSecond edition.Hoboken, NJ :John Wiley & Sons, Inc.,[2015]�20151 online resource (xii, 418 pages) illustrations (chiefly color)For DummiesIncludes index.1-119-05580-6 Title Page; Copyright Page; Table of Contents; Introduction; About This Book; Changes in the Second Edition; Conventions Used in This Book; What You're Not to Read; Foolish Assumptions; How This Book Is Organized; Part I: Getting Started with R Programming; Part II: Getting Down to Work in R; Part III: Coding in R; Part IV: Making the Data Talk; Part V: Working with Graphics; Part VI: The Part of Tens; Icons Used in This Book; Beyond the Book; Where to Go from Here; Part I Getting Started with R Programming; Chapter 1 Introducing R: The Big Picture; Recognizing the Benefits of Using RNavigating the Environment Manipulating the content of the environment; Saving your work; Retrieving your work; Chapter 3 The Fundamentals of R; Using the Full Power of Functions; Vectorizing your functions; Putting the argument in a function; Making history; Keeping Your Code Readable; Following naming conventions; Structuring your code; Adding comments; Getting from Base R to More; Finding packages; Installing packages; Loading and unloading packages; Part II Getting Down to Work in R; Chapter 4 Getting Started with Arithmetic; Working with Numbers, Infinity, and Missing ValuesDoing basic arithmetic Using mathematical functions; Calculating whole vectors; To infinity and beyond; Organizing Data in Vectors; Discovering the properties of vectors; Creating vectors; Combining vectors; Repeating vectors; Getting Values in and out of Vectors; Understanding indexing in R; Extracting values from a vector; Changing values in a vector; Working with Logical Vectors; Comparing values; Using logical vectors as indices; Combining logical statements; Summarizing logical vectors; Powering Up Your Math; Using arithmetic vector operations; Recycling argumentsChapter 5 Getting Started with Reading and Writin Using Character Vectors for Text Data; Assigning a value to a character vector; Creating a character vector with more than one element; Extracting a subset of a vector; Naming the values in your vectors; Manipulating Text; String theory: Combining and splitting strings; Sorting text; Finding text inside text; Substituting text; Revving up with regular expressions; Factoring in Factors; Creating a factor; Converting a factor; Looking at levels; Distinguishing data types; Working with ordered factors; Chapter 6 Going on a Date with RWorking with DatesMastering R has never been easier Picking up R can be tough, even for seasoned statisticians and data analysts. R For Dummies, 2nd Edition provides a quick and painless way to master all the R you'll ever need. Requiring no prior programming experience and packed with tons of practical examples, step-by-step exercises, and sample code, this friendly and accessible guide shows you how to know your way around lists, data frames, and other R data structures, while learning to interact with other programs, such as Microsoft Excel. You'll learn how to reshape and manipulate data, merge data sets,--For dummies.R (Computer program language)Mathematical statisticsData processingR (Computer program language)Mathematical statisticsData processing.519.502855133De Vries Andrie1664010Meys JorisMiFhGGMiFhGGBOOK9910808010203321R for dummies4021792UNINA