Thanks for all who commented on this question.
It turns out that there is a nice set of functions in library BiodiversityR
that translate a stack or list input data file to a community matrix:
import.from.Excel(file = file.choose(), sheet = "community", sitenames =
"sites",
column = "species", value = "abundance", factor = "", level = "")
import.from.Access(file = file.choose(), table = "community", sitenames =
"sites",
column = "species", value = "abundance", factor = "", level = "")
I believe the other contributions set to the list worked to varying degrees
as well.
billy
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