Data type

  • Logical : TRUE or FALSE

  • Numeric : integer and double

  • Complex : complex number

  • Character : character string

You can figure out the data type of an object using mode() function. Below are some examples:

mode(TRUE)
## [1] "logical"
mode(3)
## [1] "numeric"
mode("Intro_to_R")
## [1] "character"