[R] FW: why is it numeric(0)?

[Duncan Murdoch]

luan_sheng wrote:
>  yea, I have read the help. But some one tell me that i f you want use a
> vector that you don't know it's length, you should use xx=numric(0) ,
is it
> not right? If it isn't right, how can I do?

It depends on the context.  Why do you need a vector, but don't know its
length?  Normally in a situation like that you'd just delay creating it
until you knew the length.

Duncan Murdoch