Displaying 1 result from an estimated 1 matches for "abundancep".
Did you mean:
  abundance
  
2005 Nov 08
2
retrieve most abundant species by sample unit
...frame to omit cover below 5%; this is what it looks  
like stacked. I have experimented with tapply(), by(), and some  
functions mentioned in archived postings, but I haven't seen anything  
that answers to this directly. Does anybody have any ideas?
      OBJECTID       PolygonID SpeciesCod AbundanceP
1       15006     ANT-CBG-rr1     Leymol    5.00000
3       15008     ANT-CBG-rr1     Ambcha    5.00000
5       15010      ANT-ESH-27     Atrpat   20.00000
6       15011      ANT-ESH-27     Ambcha   10.00000
11      15016      ANT-ESH-28     Salvir   20.00000
14      15019      ANT-ESH-28     Atrpa...