Prune not used taxonomic ranks

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

Usage

prune_levels(object, ...)

# S3 method for class '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 
#> 
#> concepts with rank information: 45 
#> concepts without rank information: 0 
#> 
#> family: 1
#>   genus: 1
#>     complex: 0
#>       species: 38
#>         subspecies: 2
#>           variety: 3
#>             form: 0
#> 
#> 

## 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 
#> 
#> concepts with rank information: 45 
#> concepts without rank information: 0 
#> 
#> family: 1
#>   genus: 1
#>     species: 38
#>       subspecies: 2
#>         variety: 3
#> 
#>