LEADER 04332oam 2200517 450 001 9910808010203321 005 20190911100039.0 010 $a1-119-05585-7 010 $a1-119-05583-0 035 $a(OCoLC)911492329 035 $a(MiFhGG)GVRL04FA 035 $a(EXLCZ)993710000000437317 100 $a20150520h20152015 uy 0 101 0 $aeng 135 $aurun|---uuuua 181 $ctxt 182 $cc 183 $acr 200 10$aR for dummies /$fby Andrie de Vries and Joris Meys 205 $aSecond edition. 210 1$aHoboken, NJ :$cJohn Wiley & Sons, Inc.,$d[2015] 210 4$d?2015 215 $a1 online resource (xii, 418 pages) $cillustrations (chiefly color) 225 1 $aFor Dummies 300 $aIncludes index. 311 $a1-119-05580-6 327 $aTitle 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 R 327 $aNavigating 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 Values 327 $aDoing 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 arguments 327 $aChapter 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 R 327 $aWorking with Dates 330 $aMastering R has never been easier Picking up R can be tough, even for seasoned statisticians and data analysts. R For Dummies, 2nd Edition provides a quick and painless way to master all the R you'll ever need. Requiring no prior programming experience and packed with tons of practical examples, step-by-step exercises, and sample code, this friendly and accessible guide shows you how to know your way around lists, data frames, and other R data structures, while learning to interact with other programs, such as Microsoft Excel. You'll learn how to reshape and manipulate data, merge data sets, 410 0$a--For dummies. 606 $aR (Computer program language) 606 $aMathematical statistics$xData processing 615 0$aR (Computer program language) 615 0$aMathematical statistics$xData processing. 676 $a519.502855133 700 $aDe Vries$b Andrie$01664010 702 $aMeys$b Joris 801 0$bMiFhGG 801 1$bMiFhGG 906 $aBOOK 912 $a9910808010203321 996 $aR for dummies$94021792 997 $aUNINA