[R] replacing values in a vector

[Sven Garbade]

Jens Nieschulze wrote:
> 
> 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()

oh, of course... Thanks!

Sven
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