R help - Aug 2008 - add to vector without duplicatation

Hi,
 
I try to add items to a vector, but when the it has existed, the item should be
skipped.
does anyone know how to do it a simple way?
 
 
Yu


      
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2008/8/28 Yuan Jian <jayuan2008 at yahoo.com>:
> Hi,
>
> I try to add items to a vector, but when the it has existed, the item
should be skipped.
> does anyone know how to do it a simple way?
You might be able to use unique().

Regards,

Nicky Chorley