[R] efficient test for missing values (NAs)

[Jim Holtman]

?complete.cases

Sent from my iPhone

On Oct 20, 2010, at 18:53, Ali Tofigh <alix.tofigh at gmail.com> wrote:

> What is the best way to detect whether or not a (potentially large)
> matrix contains missing values (NAs) or not? I use
>
> if (sum(is.na(x)) > 0) {...}
>
> are there more efficient ways?
>
> /Ali
>
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