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Generate a Sequence of Length of the passed Argument in R Programming - seq_along() Function

Last Updated : 15 Jul, 2025

seq_along() function in R Language is used to generate a sequence of the same length of the argument passed.

Syntax: seq_along(x) Parameters: x: specified arguments

Example 1:

Python3

# R program to illustrate
# seq_along function

# Calling the seq_along() function
seq_along(letters[1:4])
seq_along(letters[0:3])

Output:

[1] 1 2 3 4
[1] 1 2 3

Example 2:

Python3

# R program to illustrate
# seq_along function

# Calling the seq_along() function
seq_along(c(1, 2, 3))
seq_along(c(5, 10, 15, 20))
seq_along(c(2, 4))
seq_along(10)
seq_along(2)

Output:

[1] 1 2 3
[1] 1 2 3 4
[1] 1 2
[1] 1
[1] 1

Comment

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