[R] Set value if else...

[Rubén Roa]

x <- data.frame(x=1:10)
require(gtools)
x$y <- ifelse(odd(x$x),0,1)
HTH

R.
____________________________________________________________________________________ 

Dr. Rubén Roa-Ureta
AZTI - Tecnalia / Marine Research Unit
Txatxarramendi Ugartea z/g
48395 Sukarrieta (Bizkaia)
SPAIN



> -----Mensaje original-----
> De: r-help-bounces at r-project.org 
> [mailto:r-help-bounces at r-project.org] En nombre de Joel
> Enviado el: viernes, 15 de octubre de 2010 10:16
> Para: r-help at r-project.org
> Asunto: [R] Set value if else...
> 
> 
> Hi
> 
> I want to set a variable to either 1 or 0 depending on an 
> value of a dataframe and then add this as a colum to the dataframe.
> 
> This could be done with a loop but as we are able to do 
> questions on a complete row or colum without a loop it would 
> be sweet if it could be done.
> 
> for example:
> 
> table:
> 
> Name  Age
> Joel     24
> agust   17
> maja    40
> and so on...
> 
> And what I want to do is a command that gives me
> VoteRight<-1 if table$age>18 else set VoteRight to 0
> 
> Then use cbind or something to add it to the table.
> 
> so i get
> Name  Age  VoteRight
> Joel     24    1
> agust   17    0
> maja    40    1
> 
> And as I said before im guessing this can be done without a loop...
> 
> //Joel
> --
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