[R] changing a range of values

Patrick Burns pburns at pburns.seanet.com
Sat Jan 17 18:30:19 CET 2009


The R Inferno, page 38.


Patrick Burns
patrick at burns-stat.com
+44 (0)20 8525 0696
http://www.burns-stat.com
(home of "The R Inferno" and "A Guide for the Unwilling S User")

Jörg Groß wrote:
> Hi,
>
>
> If I have following vector;
>
>
> x <- c(1,1,1,2,2,3,4,4,5)
>
> and I want to change values in the range of 1 to 3 into the value 1, 
> how can I do that?
>
>
> I tried
>
>
> x[x == c(1:3)] <- c(1)
>
>
> but than I get;
>
>  x
> [1] 1 1 1 2 1 1 4 4 5
>
>
>
> R doesn't change the 2 into a 1.
> But why?
>
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> PLEASE do read the posting guide 
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>
>




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