[R] count values

arun smartpink111 at yahoo.com
Thu Apr 18 23:36:52 CEST 2013

 vec1<- c(0,1,1,1,2,2,2,3,3)
#[1] 3
 vec2<- c(0,2,2,3)
#[1] 2

>Hi. I have a new question. 
>I need count the different numbers in a vector,but different of zero. 
>I mean,if I have c(0,2,2,3) the result is 2. If the 
 >vector is c(0,1,1,1,2,2,2,3,3) the result is 3 (3 different values non-zero).

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