Read and Parse ATHENA VOCABULARIES data

Read and Parse ATHENA VOCABULARIES data

athena(use = NULL, list = FALSE, force = FALSE, url = NULL)

Arguments

use

An atomic character specifying the files to use with values in "concept", "domain", "concept_class", "concept_relationship", "concept_ancestor", "concept_synonym", "drug_strength", "relationship", and "vocabulary".

list

A boolean value, should it only list files in the ATHENA VOCABULARIES data?

force

A boolean value. If set to TRUE, it indicates the retrieval of VOCABULARIES data in the url directly, bypassing the cache.

url

A string of url for ATHENA VOCABULARIES data. You must provide it to cache the file when you firstly run this function.

Value

• if list = TRUE, an atomic character.

• if list = FALSE, a data.table if use is a string or otherwise a list of data.table.