constructor for atctree objects

constructor for atctree objects

Usage

atctree(
  whichlevs = NULL,
  schema = c("none", "full", "anatomical", "therapeutic", "chemical")
)

Arguments

whichlevs

subset of levels to use from integers 1:5

schema

a conceptual subset of the ATC hierarchy, or all of it ('full'), or something bespoke ('none')

Value

an object of class atctree

Details

either schema or whichlevs should be specified; (e.g. `schema=full` corresponds to `whichlevs=1:5`)

Examples

h <- atctree(schema="anatomical")
# tree will contain levels 1 and 5
h <- atctree(whichlevs=c(1,2,5))
# bespoke structure