newConceptSetExpression: 'concept_set_expression' object constructor
Description
'concept_set_expression' object constructor
Usage
newConceptSetExpression(x, cdm = NULL)
Value
A concept_set_expression
Arguments
- x
a named list of tibbles, each of which containing concept set
definitions
- cdm
A <cdm_reference> object. If provided, concept IDs in x will
be checked against cdm$concept.