R For Dummies
Master the programming language of choice among statisticians and data analysts worldwideComing to grips with R can be tough, even for seasoned statisticians and data analysts. EnterR For Dummies,the quick, easy way to master all the R you'll ever need. Requiring no prior programming experience and packed with practical examples, easy, step-by-step exercises, and sample code, this extremely accessible guide is the ideal introduction to R for complete beginners. It also covers many concepts that intermediate-level programmers will find extremely useful.Master your R ABCs — get up to speed in no time with the basics, from installing and configuring R to writing simple scripts and performing simultaneous calculations on many variablesPut data in its place — get to know your way around lists, data frames, and other R data structures while learning to interact with other programs, such as Microsoft ExcelMake data dance to your tune — learn how to reshape and manipulate data, merge data sets, split and combine data, perform calculations on vectors and arrays, and much moreVisualize it — learn to use R's powerful data visualization features to create beautiful and informative graphical presentations of your dataGet statistical — find out how to do simple statistical analysis, summarize your variables, and conduct classic statistical tests, such as t-testsExpand and customize R — get the lowdown on how to find, install, and make the most of add-on packages created by the global R community for a wide variety of purposesOpen the book and find:Help downloading, installing, and configuring RTips for getting data in and out of RWays to use data frames and lists to organize dataHow to manipulate and process dataAdvice on fitting regression models and ANOVAHelpful hints for working with graphicsHow to code in RWhat R mailing lists and forums can do for youLearn to:Use R for data analysis and processingWrite functions and scripts for repeatable analysisCreate high-quality charts and graphicsPerform statistical analysis and build models