Description Usage Arguments Value Examples
Return the most frequent lower taxa groups of a selected higher taxa group.
1  | 
taxa | 
 A string.  | 
rank | 
 A string.  | 
n | 
 A number.  | 
a frequency dataframe of rank
1 2 3 4  | ## Not run: 
topn("Animalia", "Phylum", 5)
## End(Not run)
 | 
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