Dear All,
 
I have a vector x = (1,1,1,2,2,2,3,3,3,3)
I am looking for a function to return a vector containing  the distinct elements of x i,e y = (1,2,3)
 
The following code gives the desired results:
 
as.numeric(levels(as.factor(x)))
 
Is there any other elegant  way?
 
Thanks,
 
B
 
 

		
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