本文共 853 字，大约阅读时间需要 2 分钟。
该楼层疑似违规已被系统折叠 隐藏此楼查看此楼
1] 0.0000000 0.1111111 0.2222222 0.3333333 0.4444444
[6] 0.5555556 0.6666667 0.7777778 0.8888889 1.0000000
[11] -Inf
> rescale01
+ rng
+ (x - rng[1]) / (rng[2] - rng[1])
+ }
>
> rescale01(x)
[1] NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN
> x
> rescale01(x)
[1] 0 0 0 0 0 0 0 0 0 0 NaN
> x
> rescale01(x)
[1] 0 0 0 0 0 0 0 0 0 0 NaN
> identical(1,1)
[1] TRUE
> identical(1,2)
[1] FALSE
> identical(1,1.1)
[1] FALSE
> x
> integer(x)
Error in integer(x) : invalid 'length' argument
> integer(x)
Error in integer(x) : invalid 'length' argument
> as.integer(x)
[1] 1 2 3
> x
> y
> identical(x,y)
[1] TRUE
> x
> identical(x,y)
[1] FALSE
> identical(1,1)
[1] TRUE
> identical(1L,1)
[1] FALSE
> identical(1L,1L)
[1] TRUE
> identical(1L,1Lsa)
Error: unexpected symbol in "identical(1L,1Lsa"
> y
> length(y)
[1] 0
> seq_along(y)
integer(0)
转载地址：https://blog.csdn.net/weixin_34262786/article/details/115960735 如侵犯您的版权，请留言回复原文章的地址，我们会给您删除此文章，给您带来不便请您谅解！
发表评论
最新留言
关于作者
