Quick access to slots taxonTraits
and taxonRelations
within
taxlist objects.
Arguments
- x
Object of class taxlist.
- i
Integer or logical vector used as index for access to taxon concepts, referring to the rows in slot 'taxonRelations'. These indices can be used to produce a object with a subset of taxon concepts. It is not recommended to use character values for this index.
- j
Integer, logical or character vector used as index for access to variables in slot 'taxonTraits'. These indices can be used to reduce the number of variables in the mentioned slot.
- drop
A logical value passed to
Extract
.- name
A symbol or character value for the method
$
, corresponding to a variable either at slot 'taxonTraits' or slot 'taxonRelations'.
Value
The method $
retrieves a vector, while [
retrieves a subset
of the input taxlist object.
Author
Miguel Alvarez kamapu78@gmail.com.
Examples
## Statistics on life forms
summary(as.factor(Easplist$life_form))
#> acropleustophyte chamaephyte climbing_plant facultative_annual
#> 8 25 25 20
#> obligate_annual phanerophyte pleustohelophyte reed_plant
#> 114 26 8 14
#> reptant_plant tussock_plant NA's
#> 19 52 3576
## First concepts in this list
summary(Easplist[1:5, ], "all")
#> ------------------------------
#> concept ID: 1
#> view ID: 1
#> level: species
#> parent: none
#>
#> # accepted name:
#> 1 Abelmoschus esculentus (L.) Moench
#>
#> # synonyms (1):
#> 52313 Hibiscus esculentus L.
#> ------------------------------
#> concept ID: 2
#> view ID: 1
#> level: species
#> parent: none
#>
#> # accepted name:
#> 2 Abutilon indicum (L.)
#> ------------------------------
#> concept ID: 3
#> view ID: 1
#> level: species
#> parent: none
#>
#> # accepted name:
#> 3 Abutilon mauritianum (Jacq.) Medik.
#>
#> # synonyms (1):
#> 50361 Pavonia patens (Andrews) Chiov.
#> ------------------------------
#> concept ID: 4
#> view ID: 1
#> level: species
#> parent: none
#>
#> # accepted name:
#> 4 Acacia drepanolobium Harms ex Y. Sjöstedt
#> ------------------------------
#> concept ID: 5
#> view ID: 1
#> level: species
#> parent: none
#>
#> # accepted name:
#> 5 Acacia elatior Brenan
#> ------------------------------