[R] Simple question, I think

Henrique Dallazuanna wwwhsd at gmail.com
Thu Oct 22 18:47:16 CEST 2009


Use ifelse:

sciach$dummyba <- ifelse(sciach$ba == 0, 2, 1)

On Thu, Oct 22, 2009 at 2:37 PM, David Kaplan
<dkaplan at education.wisc.edu> wrote:
> Greetings,
>
> I am recoding a dummy variable (coded 1,0) so that 0 = 2.  I am using the
> line
>
> sciach$dummyba[sciach$ba==0] <- 2
>
> I notice that it creates a new column dummyba, with 0 coded as 2 but with
> 1's now coded as NA.  Is there a simple way around this in the line I am
> using, or do I need to have an additional line
>
> sciach$dummyba[sciach$ba==1] <- 1
>
> Thanks in advance.
>
>
> David
>
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O




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