get_cohort_selection_numbers: Get cohort selection numbers for drug repurposing
In pwatrick/pwUtilities: What the Package Does (One Line, Title Case)

Get cohort selection numbers for drug repurposing

get_cohort_selection_numbers(
  drug,
  phenotype,
  biomarker,
  indication_drugs,
  r_covariates,
  r_drugs,
  r_biomarkers
)

`drug`	A string, e.g., "simvastatin"
`phenotype`	A string, e.g., "hyperlipidemia"
`biomarker`	A string, e.g., "LDL cholesterol"
`indication_drugs`	A tibble with columns c('rxcui_in', 'drug_desc', 'indication')
`r_covariates`	A tibble, with columns c('person_id','dob','gender_concept_id','race_concept_id','drug_concept_id','first_drug_exposure','last_drug_exposure')
`r_drugs`	A tibble, with columns c('person_id','start_date','end_date','drug_exposure_start_date','drug_concept_id')
`r_biomarkers`	A tibble, with columns c('person_id','start_date','measurement_date','end_date','measurement_concept_id','value_as_number')