A lookup table with category data.frame having three
columns: drug class, drug category, and drug street name. These tables are
returned by the function lookup.
compressOriginalWord
Should the search word(s) be collapsed? Defaults to
FALSE.
compressClass
Should the drug class be collapsed? Defaults to
FALSE.
compressCategory
Should the drug category be collapsed? Defaults to
FALSE.
compressSynonym
Should the drug synonym / street name be collapsed?
Defaults to TRUE.
Value
A compressed lookup table, with unwanted columns removed.