List in R

A list is an R-object which can contain many different types of elements inside it like vectors, functions and even another list inside it. Lists are sometimes called recursive vectors, because a list can contain other lists. This makes them fundamentally different from atomic vectors.

# Empty

Command::  x <- list(10, "ax", TRUE, 1+4i)

Print::          print(x)

Output  ::    

 [[1]]

[1] 10

[[2]]

[1] "ax"

[[3]]

[1] TRUE

[[4]]

[1] 1+4i

#Length of List

Command:: length(x)

[1] 4