Summarize RxClass relationship types for drugs

rxclass_relationships() is a diagnostic helper that evaluates the type(s) of relationship (rela) asserted in RxNorm MED-RT data and the number within each relationship asserted. In some cases, get_medrt() or its various convenience wrappers may return empty or shorter-than-expected tibbles because some relationships expected by the user are not asserted in RxNorm (for example, an MOA may not be asserted by MED-RT).

Usage

rxclass_relationships(
  x,
  by = c("rxcui", "name"),
  rela_source = NULL,
  show_progress = interactive()
)

Arguments

x

Character vector of RxCUIs or drug names.

by

One of "rxcui" or "name".

rela_source

Optional RxClass relationship source filter.

show_progress

Logical. Show a progress bar in interactive sessions. Progress is shown only when at least 5 inputs are supplied.

Value

A tibble summarizing available relationship/class-type combinations.