Prune not used taxonomic ranks

Taxonomic ranks without taxon concepts will be pruned in taxlist objects.

Usage

prune_levels(object, ...)

# S3 method for taxlist
prune_levels(object, ...)

Arguments

object

An object of class taxlist.

...

Further arguments passed among methods (not yet in use).

Value

An object of class taxlist with pruned taxonomic ranks.

See also

levels()

Examples

## Subset species belonging to Cyperus
Cyperus <- subset(Easplist, TaxonName == "Cyperus", slot = "taxonNames",
    keep_children = TRUE, keep_parents = TRUE)
Cyperus
#> object size: 21.8 Kb 
#> validation of 'taxlist' object: TRUE 
#> 
#> number of taxon usage names: 99 
#> number of taxon concepts: 45 
#> trait entries: 16 
#> number of trait variables: 1 
#> taxon views: 3 
#> 
#> concepts with parents: 44 
#> concepts with children: 6 
#> 
#> hierarchical levels: form < variety < subspecies < species < complex < genus < family 
#> number of concepts in level form: 0
#> number of concepts in level variety: 3
#> number of concepts in level subspecies: 2
#> number of concepts in level species: 38
#> number of concepts in level complex: 0
#> number of concepts in level genus: 1
#> number of concepts in level family: 1
#> 

## Prune not used ranks
prune_levels(Cyperus)
#> object size: 21.7 Kb 
#> validation of 'taxlist' object: TRUE 
#> 
#> number of taxon usage names: 99 
#> number of taxon concepts: 45 
#> trait entries: 16 
#> number of trait variables: 1 
#> taxon views: 3 
#> 
#> concepts with parents: 44 
#> concepts with children: 6 
#> 
#> hierarchical levels: variety < subspecies < species < genus < family 
#> number of concepts in level variety: 3
#> number of concepts in level subspecies: 2
#> number of concepts in level species: 38
#> number of concepts in level genus: 1
#> number of concepts in level family: 1
#>