[R] logical vector as a matrix

Linlin Yan yanlinlin82 at gmail.com
Sat May 30 03:54:01 CEST 2009


On Sat, May 30, 2009 at 2:48 AM, Grześ <gregorio99 at gmail.com> wrote:
>
> I have a vector like this:
> h <- c(4, 6, NA, 12)
> and I create the secound logical vector like this:
> g <- c(TRUE, TRUE, FALSE, TRUE)
Why don't you create vector g like this:
g <- ! is.na(h)

>
> And my problem is that I would like to get  a new "m" vector as a rasult "h"
> and "m" but with missed "NA" value, for example:
>
> m = (4,6,12)
> Do you have any idea?
As what you tried to do:
m <- h[g] # which got (4,6,12)
you can directly use:
m <- h[ ! is.na(h) ]




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