is_root: Test if taxa are roots

Description Arguments Value See Also Examples

View source: R/taxonomy--s3.R

Description

Test if taxa are roots in a taxonomy() or taxmap() object. Roots are taxa without supertaxa, typically things like "Bacteria", or "Life".

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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

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# Test for which taxon IDs correspond to roots
is_root(ex_taxmap)

# Filter out roots
filter_taxa(ex_taxmap, ! is_root)

taxa documentation built on Aug. 10, 2018, 1:12 a.m.