R help - Sep 2008 - Where is the error

P <- vector(mode="numeric",length =10)

SS<-function(){for(id in 0:9){
	if(0<P[id]) 
	print("ss")
else
print("ss")
 }}

SS()
-------------------------------------------------------
Error in if (0 < P[id]) print("ss") else print("ss") : 
  argument is of length zero
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rajivv wrote:
> 
> P <- vector(mode="numeric",length =10)
> 
> SS<-function(){for(id in 0:9){
> 	if(0<P[id]) 
> 	print("ss")
> else
> print("ss")
>  }}
> 
> SS()
> -------------------------------------------------------
> Error in if (0 < P[id]) print("ss") else print("ss")
:
>   argument is of length zero
> 
Use for(id in 1:10)

Berend
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2008/9/14 rajivv <rajiv_das at rediffmail.com>:
>
> P <- vector(mode="numeric",length =10)
>
> SS<-function(){for(id in 0:9){
>        if(0<P[id])
>        print("ss")
> else
> print("ss")
>  }}
>
> SS()
> -------------------------------------------------------
> Error in if (0 < P[id]) print("ss") else print("ss")
:
>  argument is of length zero
Arrays/vectors/matrices in R are indexed from 1, not 0.

Regards,

Nicky Chorley