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ch02 | R Documentation |
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ch01()
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ch04()
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ch05()
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ch06()
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ch07()
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ch08()
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ch09()
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ch10()
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ch11()
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ch12()
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ch13()
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ch14()
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ch15()
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ch16()
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ch18()
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ch19()
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ch20()
if (interactive()) { # 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" if(interactive()){ yourname <- readline("What is your name?") } else { yourname <- "Joris" } 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) }
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