Creating a repeating vector sequence in R

Question

I need some help. How to create the following vector sequence:

1 1 1 1 2 2 2 3 3 4

I tried to use (rep) and (seq) but still unsucessfull.

See these two also : [1](https://stackoverflow.com/questions/11180125/repeating-a-repeated-sequence) & [2](https://stackoverflow.com/questions/3102777/r-generate-a-repeating-sequence) — user2100721, Sep 12 '17 at 03:47
@Sotos Here is a fun one for this particular problem: `sort(sequence(1:4))`. — lmo, Nov 01 '17 at 20:24

score 4 · Answer 1 · answered Sep 12 '17 at 03:38

4

Try this:

rep(1:4,4:1)

Output:

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

answered Sep 12 '17 at 03:38

www

dbo · Answer 2 · 2017-09-12T04:08:39.367

0

or less concisely: c(rep(1, 4), rep(2,3), rep(3, 2), 4)

output: [1] 1 1 1 1 2 2 2 3 3 4

edited Sep 12 '17 at 04:08

answered Sep 12 '17 at 03:54

dbo

2 Answers2