[R] How to capture NA values

[Berend Hasselman]

On 10-05-2012, at 17:16, Alaios wrote:

> Dear all,
> I would like to capture the NA values as produced from my code
> the str over the return values return
> 
> int 61
>  int 65
>  int 69
>  int 73
>  int 101
>  int NA
>  int NA
> 
> it looks like that I am getting returned some integer values that are NA and I want to have an if statement for catching those
> 
> which is the right operator for checking these int NA values in R?


How about simply is.na?

Berend