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📜  if not na in - R 编程语言代码示例

📅  最后修改于: 2022-03-11 14:52:01.244000             🧑  作者: Mango

代码示例4
> apply(p, 1, function(x) which(!is.na(x)) )
[[1]]
[1] 2 3

[[2]]
[1] 4 7

[[3]]
integer(0)

[[4]]
[1] 5

[[5]]
integer(0)