R Quick Syntax Reference : A Pocket Guide to the Language, APIs and Library

This handy reference book detailing the intricacies of R updates the popular first edition by adding R version 3.4 and 3.5 features. Starting with the basic structure of R, the book takes you on a journey through the terminology used in R and the syntax required to make R work. You will find looking up the correct form for an expression quick and easy. Some of the new material includes information on RStudio, S4 syntax, working with character strings, and an example using the Twitter API.With a copy of the __R Quick Syntax Reference__ in hand, you will find that you are able to use the multitude of functions available in R and are even able to write your own functions to explore and analyze data.**What You Will Learn** * Discover the modes and classes of R objects and how to use them * Use both packaged and user-created functions in R * Import/export data and create new data objects in R * Create descriptive functions and manipulate objects in R * Take advantage of flow control and conditional statements * Work with packages such as base, stats, and graphics **Who This Book Is For**Those with programming experience, either new to R, or those with at least some exposure to R but who are new to the latest version. Front Matter ....Pages i-xvii Front Matter ....Pages 1-1 Downloading R and Setting Up a File System (Margot Tollefson)....Pages 3-11 The R Prompt and the R Studio Windows (Margot Tollefson)....Pages 13-19 Assignments and Operators (Margot Tollefson)....Pages 21-39 Front Matter ....Pages 41-41 Modes and Types of Objects (Margot Tollefson)....Pages 43-72 Classes of Objects (Margot Tollefson)....Pages 73-109 Front Matter ....Pages 111-111 Packaged Functions (Margot Tollefson)....Pages 113-120 User-Created Functions, Scripts, and S4 Methods (Margot Tollefson)....Pages 121-138 How to Use a Script or Function (Margot Tollefson)....Pages 139-150 Front Matter ....Pages 151-151 Importing and Creating Data (Margot Tollefson)....Pages 153-186 Exporting from R (Margot Tollefson)....Pages 187-204 Descriptive Functions and Manipulating Objects (Margot Tollefson)....Pages 205-250 Front Matter ....Pages 251-251 Flow Control (Margot Tollefson)....Pages 253-258 Examples of Flow Control (Margot Tollefson)....Pages 259-275 The Functions ifelse and switch (Margot Tollefson)....Pages 277-284 Front Matter ....Pages 285-285 Some Common Functions (Margot Tollefson)....Pages 287-302 The Packages base, stats, and graphics (Margot Tollefson)....Pages 303-345 Tricks of the Trade (Margot Tollefson)....Pages 347-356 Back Matter ....Pages 357-365 This handy reference book detailing the intricacies of R updates the popular first edition by adding R version 3.4 and 3.5 features. Starting with the basic structure of R, the book takes you on a journey through the terminology used in R and the syntax required to make R work. You will find looking up the correct form for an expression quick and easy. Some of the new material includes information on RStudio, S4 syntax, working with character strings, and an example using the Twitter API. With a copy of the R Quick Syntax Reference in hand, you will find that you are able to use the multitude of functions available in R and are even able to write your own functions to explore and analyze data. What You Will Learn Discover the modes and classes of R objects and how to use them Use both packaged and user-created functions in R Import/export data and create new data objects in R Create descriptive functions and manipulate objects in R Take advantage of flow control and conditional statements Work with packages such as base, stats, and graphics Who This Book Is For Those with programming experience, either new to R, or those with at least some exposure to R but who are new to the latest version. "This handy reference book detailing the intricacies of R updates the popular first edition by adding R version 3.4 and 3.5 features. Starting with the basic structure of R, the book takes you on a journey through the terminology used in R and the syntax required to make R work. You will find looking up the correct form for an expression quick and easy. Some of the new material includes information on RStudio, S4 syntax, working with character strings, and an example using the Twitter API. With a copy of the "R quick syntax reference" in hand, you will find that you are able to use the multitude of functions available in R and are even able to write your own functions to explore and analyze data."-- Información proporcionada por la editorial "This handy reference book detailing the intricacies of R updates the popular first edition by adding R version 3.4 and 3.5 features. Starting with the basic structure of R, the book takes you on a journey through the terminology used in R and the syntax required to make R work. You will find looking up the correct form for an expression quick and easy. Some of the new material includes information on RStudio, S4 syntax, working with character strings, and an example using the Twitter API. With a copy of the "R quick syntax reference" in hand, you will find that you are able to use the multitude of functions available in R and are even able to write your own functions to explore and analyze data."-- Provided by publisher