[R] replacing values in a vector

[Jens Nieschulze]

On Thu, 26 Jul 2001, Sven Garbade wrote:

> Hi all,
> 
> there is a vector v with several NAs. I want to create a new vector n of
> the same length as v and the same NAs as in v and tried this:
> 
> n <- vector(length=length(v), mode="numeric")
> replace(n, which(is.na(v)), NA)
> 
> but this does't work, all values in n are 0. What went wrong?

> replace
function (x, list, values) 
{
    x[list] <- values
    x
}
from the function body I gues you should use

> replace(n, which(is.na(v)), NA)->n

instead because I assume that x is a local variable
so the global n wouldn't be changed by replace()

	J


> 
> Thanks, Sven
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