[R] replacing values in a vector

[Giovanni Petris]

You should assign the result of replace back to n:

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

Giovanni

-- 

 __________________________________________________
[                                                  ]
[ Giovanni Petris                 GPetris at uark.edu ]
[ Department of Mathematical Sciences              ]
[ University of Arkansas - Fayetteville, AR 72701  ]
[ Ph: (501) 575-6324, 575-8630 (fax)               ]
[ http://definetti.uark.edu/~gpetris/              ]
[__________________________________________________]

> Date: Thu, 26 Jul 2001 13:42:44 +0200
> From: Sven Garbade <garbade at psy.uni-muenchen.de>
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> 
> 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?
> 
> Thanks, Sven
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