documentation_rank.NULL
What rank(s) of taxa to compute biplot coordinates and
statistics for, or NULL
to disable. E.g. "Phylum"
,
"Genus"
, ".otu"
, etc. An integer vector can also be
given, where 1
is the highest rank, 2
is the second
highest, -1
is the lowest rank, -2
is the second
lowest, and 0
is the OTU "rank". Run biom$ranks
to
see all options for a given rbiom object. Default: NULL
.