Learning R

Learning R can be a career long endeavor. The best advise is to use it every chance you get. And do not be afraid to ask questions– R is a very common language and many people can help you.

• Exit R – Type q()
• Get help – ?mean or help(mean)

predefined-variables

print(pi)

[1] "..."
[1] 3.141593

Declaring variables.

other-varialbes

print("I am a String")
a <- 1:10
print(a)
print(a>5)

[1] "..."
[1] "I am a String"
[1]  1  2  3  4  5  6  7  8  9 10
[1] FALSE FALSE FALSE FALSE FALSE  TRUE  TRUE  TRUE  TRUE  TRUE

1. What does the command seq do?
2. Wha about ?

Resources

• RQuickReference (pdf) - very handy summary of R functions by Elizabeth Slate
• RBasics Part I (pdf) - short course on R by R. Montgomerie
• RBasics Part II (pdf) - short course on R part II
• An R primer for introductory statistics