taxa (version 0.3.2)

is_root: Test if taxa are roots

Description

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)

Arguments

obj

The taxonomy() or taxmap() object.

Value

A logical of length equal to the number of taxa.

See Also

Other taxonomy data functions: classifications, id_classifications, is_branch, is_internode, is_leaf, is_stem, map_data_, map_data, n_leaves_1, n_leaves, n_subtaxa_1, n_subtaxa, n_supertaxa_1, n_supertaxa, taxon_ids, taxon_indexes, taxon_names, taxon_ranks

Examples

# NOT RUN {
# Test for which taxon IDs correspond to roots
is_root(ex_taxmap)

# Filter out roots
filter_taxa(ex_taxmap, ! is_root)

# }