[R] changing a range of values

jim holtman jholtman at gmail.com
Sat Jan 17 18:10:54 CET 2009


Is this what you want:

> x <- c(1,1,1,2,2,3,4,4,5)
> ifelse(x >= 1 & x <= 3, 1, x)
[1] 1 1 1 1 1 1 4 4 5
>


On Sat, Jan 17, 2009 at 12:03 PM, Jörg Groß <joerg at licht-malerei.de> 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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>



-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem that you are trying to solve?



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