derive_summary_records.md
In admiral: ADaM in R Asset Library

derive_summary_records Test 6: error if no summary function

Code
  derive_summary_records(dataset_add = adbds, by_vars = exprs(AVISIT),
  set_values_to = exprs(MEANVIS = AVAL / 2))
Condition
  Error in `signal_duplicate_records()`:
  ! After summarising, the dataset contains mulitple records with respect to `AVISIT`.
  Please check the `set_values_to` argument if summary functions like `mean()`, `sum()`, ... are used on the right hand side.
  i Run `admiral::get_duplicates_dataset()` to access the duplicate records