# ch02: Print examples of chapter 2 of 'R for Dummies'. In rfordummies: Code Examples to Accompany the Book "R for Dummies"

## Description

To print a listing of all examples of a chapter, use `ch2()`. To run all the examples of `ch2()`, use `example(ch2)`.

## Usage

 ```1 2 3``` ```ch02() ch2() ```

`toc`
Other Chapters: `ch01`, `ch03`, `ch04`, `ch05`, `ch06`, `ch07`, `ch08`, `ch09`, `ch10`, `ch11`, `ch12`, `ch13`, `ch14`, `ch15`, `ch16`, `ch17`, `ch18`, `ch19`, `ch20`
 ``` 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107``` ```# Chapter 2 - Exploring R # Working with a Code Editor ## Exploring RGui ### Seeing the naked R console ### Issuing a simple command 24+7+11 ### Closing the console ## Not run: quit() ## End(Not run) ## Dressing up with RStudio # Starting Your First R Session ## Saying hello to the world print("Hello world!") ## Doing simple math 1+2+3+4+5 ## Using vectors c(1,2,3,4,5) 1:5 sum(1:5) ## Storing and calculating values x <- 1:5 x y <- 10 x + y x y z <- x + y z h <- "Hello" h hw <- c("Hello", "world!") hw paste("Hello", "world!") ## Talking back to the user h <- "Hello" yourname <- readline("What is your name?") paste(h, yourname) # Sourcing a Script h <- "Hello" yourname <- readline("What is your name?") print(paste(h, yourname)) ### Finding help on functions ?paste help(paste) # Navigating the Workspace ls() ## Manipulating the content of the workspace rm(z) ls() ##Saving your work getwd() filename <- file.path(tempdir(), "yourname.rda") ## Not run: save(yourname, file=filename) ## End(Not run) list.files(tempdir(), pattern = ".rda") ## Retrieving your work rm(yourname) ## Not run: load("yourname.rda") ## End(Not run) ```