How to remove all the NA from a Vector?

Question

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R script - removing NA values from a vector

I could I remove all the NAs from a Vector using R?

[1]  1 NA  3 NA  5

Thank you

score 71 · Accepted Answer · answered Nov 18 '11 at 15:06

71

Use is.na with vector indexing

x <- c(NA, 3, NA, 5)
x[!is.na(x)]
[1] 3 5

I also refer the honourable gentleman / lady to the excellent R introductory manuals, in particular Section 2.7 Index vectors; selecting and modifying subsets of a data set

answered Nov 18 '11 at 15:06

Andrie

2

Or read `?NA`, which describes the behavior of `is.na` and lists `na.omit` in the _See Also_ section. – Joshua Ulrich Nov 18 '11 at 15:41
You can also use `s` from the package `hablar`. This: s(c(NA, 3, NA, 5)) return 3 5. – davsjob Nov 19 '18 at 19:50

score 42 · Answer 2 · answered Nov 18 '11 at 15:08

42

In addition to @Andrie's answer, you can use na.omit

x <- c(NA, 3, NA, 5)
na.omit(x)
[1] 3 5
attr(,"na.action")
[1] 1 3
attr(,"class")
[1] "omit"

answered Nov 18 '11 at 15:08

Joshua Ulrich

2 Answers2