groupColumn
.Helper for consistent documentation of groupColumn
.
Variables to use as group labels. Allowed columns are: "cdm_name", "codelist_name", "standard_concept_name", "standard_concept_id", "estimate_name", "source_concept_name", "source_concept_id", "domain_id". If results are stratified, "year", "sex", "age_group" can also be used. These cannot be used in header.