How to input this vector (1 2 3 4 5 2 3 4 5 6 3 4 5 6 7 4 5 6 7 8 5 6 7 8 9) simply using seq()&rep()?
Question
The vector (1 2 3 4 5 2 3 4 5 6 3 4 5 6 7 4 5 6 7 8 5 6 7 8 9) seq() and rep() maybe can not deliver parameters. I read the help doc but fail to find the way.
2 answers
solution1
6 ACCPTED 2015-03-23 15:02:10
You could try
(1:5) + rep(0:4,each=5)
#[1] 1 2 3 4 5 2 3 4 5 6 3 4 5 6 7 4 5 6 7 8 5 6 7 8 9
NOTE: (1:5) and 0:4 can be replaced by seq(1,5) and seq(0,4)
solution2
3 2015-03-23 15:11:16
另一个：
as.vector(outer(1:5,0:4,"+"))
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