Variables - R (Creating Variables in R)

Question 1

13) Variables are containers for storing data values.

Answer 1

Variables

Question 2

14) R does not have a command for declaring a variable.

Answer 2

Variables

Question 3

15) Variable is created the moment you first assign a value to it.

Answer 3

Variables

Question 4

16) To assign a value to a variable, use the <- sign.

Answer 4

Variables <-

Question 5

17) To output (or print) the variable value, just type the variable name:

Answer 5

variable name or print()

Question 6

18) In other programming language, it is common to use = as an assignment operator. In R, we can use both = and <- as assignment operators.

Answer 6

= and <-

Question 7

19) However, <- is preferred in most cases because the = operator can be forbidden in some contexts in R.

Answer 7

<- or =