R (programming language)

General information

Basic syntax

• The following examples illustrate the basic syntax of
  • the language and
  • use of the command-line interface.
• In R, the generally preferred assignment operator is an arrow made from two characters <-, although = can usually be used instead.

x <- 1:6  # Create vector.
y <- x^2  # Create vector by formula.
mean(y)  # Arithmetic mean of vector.

## [1] 15.16667

The mean of vector y is 15.1666667.

The following code chunk is syntactically incorrect and thus should not be executed!

mean[y]

Last but not least - the well known R icon (from the wikipedia page):