thank you very much Allan it works!!




________________________________
De : Allan Engelhardt <allane@cybaea.com>

Cc : r-help@r-project.org
Envoyé le : Jeudi, 13 Août 2009, 10h10mn 14s
Objet : Re: [R] for(variable in [])do



On 13/08/09 08:55, Inchallah Yarab wrote:
> [...]
>> for (LRPhase  in c(-1,1))
>>      
> + {Phase1<- output[output[,2]==LRPhase,]}
>    
>> Phase1<- Phase1[order (Phase1[,6]),]
>> [...]
> 
> why when i write for LRPhase in c(1,-1), it gives me the result only for Phase = 1??
>    
Because you re-assign the Phase1 variable in the for loop.  At the end of the loop it has the value you set during the last iteration, i.e. LRPhase==1 since you used c(-1,1) in the code (and not c(1,-1) as in your question).

Try

for (LRPhase  in c(-1,1)) {
  Phase1<- output[output[,2]==LRPhase,]
  Phase1<- Phase1[order (Phase1[,6]),]
  print(Phase1)
}


Hope this helps a little

Allan



      
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