R是否有简写来生成整数序列？

Question

R是否有简写,功能或操作符,我可以使用它来轻松生成以下向量？

v1 <- c(1, 2, 3, 4, 5)

就像是

v1 <- 1..5

Answer 1

> 1:5
[1] 1 2 3 4 5

要么

> seq(1, 5)
[1] 1 2 3 4 5

seq 非常灵活,因为它允许您以各种组合指定步幅,所需数量的输出元素等:

## Default S3 method:
seq(from = 1, to = 1, by = ((to - from)/(length.out - 1)),
    length.out = NULL, along.with = NULL, ...)

例如:

> seq(from=1, by=3, length.out=5)
[1]  1  4  7 10 13