Get number of leaves

Source: R/taxonomy--docs.R

Get number of leaves for each taxon in an object of type taxonomy() or taxmap()

obj$n_leaves()
n_leaves(obj)

Arguments

obj

(taxonomy() or taxmap())

Value

numeric

See also

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

Examples

# Get number of leaves for each taxon
n_leaves(ex_taxmap)

#> b c d e f g h i j k l m n o p q r 
#> 4 2 2 1 1 2 1 1 1 1 2 0 0 0 0 0 0 

# Filter taxa based on number of leaves
filter_taxa(ex_taxmap, n_leaves > 0)

#> <Taxmap>
#>   11 taxa: b. Mammalia, c. Plantae ... k. homo, l. Solanum
#>   11 edges: NA->b, NA->c, b->d, b->e ... d->i, e->j, f->k, g->l
#>   4 data sets:
#>     info:
#>       # A tibble: 6 x 4
#>         taxon_id name  n_legs dangerous
#>         <chr>    <chr>  <dbl> <lgl>    
#>       1 h        tiger      4 TRUE     
#>       2 i        cat        4 FALSE    
#>       3 j        mole       4 FALSE    
#>       # … with 3 more rows
#>     phylopic_ids: a named vector of 'character' with 6 items
#>        h. e148eabb-f138-43[truncated] ... l. 63604565-0406-46[truncated]
#>     foods: a list of 6 items named by taxa:
#>        h, i, j, k, l, l
#>     abund:
#>       # A tibble: 8 x 5
#>         taxon_id code  sample_id count taxon_index
#>         <chr>    <fct> <fct>     <dbl>       <int>
#>       1 h        T     A             1           1
#>       2 i        C     A             2           2
#>       3 j        M     B             5           3
#>       # … with 5 more rows
#>   1 functions:
#>     reaction