[R] changing a range of values
Dimitris Rizopoulos
d.rizopoulos at erasmusmc.nl
Sat Jan 17 18:10:01 CET 2009
try this:
x <- c(1,1,1,2,2,3,4,4,5,3.2,0.5)
x[x >= 1 & x <= 3] <- 1
x
I hope it helps.
Best,
Dimitris
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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--
Dimitris Rizopoulos
Assistant Professor
Department of Biostatistics
Erasmus Medical Center
Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands
Tel: +31/(0)10/7043478
Fax: +31/(0)10/7043014
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