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Test if taxa are roots in a [taxonomy()] or [taxmap()] object. Roots are taxa without supertaxa, typically things like "Bacteria", or "Life".
obj$is_root() is_root(obj)
A `logical` of length equal to the number of taxa.
The [taxonomy()] or [taxmap()] object.
Other taxonomy data functions: classifications(), id_classifications(), is_branch(), is_internode(), is_leaf(), is_stem(), map_data(), map_data_(), n_leaves(), n_leaves_1(), n_subtaxa(), n_subtaxa_1(), n_supertaxa(), n_supertaxa_1(), taxon_ids(), taxon_indexes(), taxon_names(), taxon_ranks()
classifications()
id_classifications()
is_branch()
is_internode()
is_leaf()
is_stem()
map_data()
map_data_()
n_leaves()
n_leaves_1()
n_subtaxa()
n_subtaxa_1()
n_supertaxa()
n_supertaxa_1()
taxon_ids()
taxon_indexes()
taxon_names()
taxon_ranks()
# Test for which taxon IDs correspond to roots is_root(ex_taxmap) # Filter out roots filter_taxa(ex_taxmap, ! is_root)
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