I get this dataframe :
head(data)
  Cal    Cre
1 ca     h1  
2 cb     h2 
3 ca     h3  
I try to get a vector like this:
foo=c("ca"="h1","cb"="h2","ca"="h3")
I get this dataframe :
head(data)
  Cal    Cre
1 ca     h1  
2 cb     h2 
3 ca     h3  
I try to get a vector like this:
foo=c("ca"="h1","cb"="h2","ca"="h3")
