Andy

I had a similar problem a while back. The folks at fishbase said "trophs stored in this (`estimate`) table are a mix of diettroph, foodtroph (diet over foodtroph if both...

@melissaszy Apologies for not being clear. 1. When i say "filtered out", as you suspected, i meant that i use similar species in the same geographic area. (I am interested...

edited: added a useful reprex. apologies. And thanks for the fix.