add_concept_intersect_flag

add_concept_intersect_flag(
    table,
    cdm,
    concept_set,
    *,
    index_date='cohort_start_date',
    censor_date=None,
    window=[(0, float('inf'))],
    target_start_date='event_start_date',
    target_end_date='event_end_date',
    in_observation=True,
    name_style='{concept_name}_{window_name}',
)

Add flag for presence of concepts within each window.

Parameters

Name	Type	Description	Default
table	Any	Ibis table with person_id or subject_id and index_date.	required
cdm	Cdm	CDM reference.	required
concept_set	dict[str, list[int]]	Named dict mapping concept names to lists of concept IDs. Example: {“acetaminophen”: [1125315], “aspirin”: [1112807]}	required
index_date	str	Index date column (default “cohort_start_date”).	'cohort_start_date'
censor_date	str or None	Optional censor date column.	None
window	WindowSpec	Time window(s).	[(0, float('inf'))]
target_start_date	str	Standardised event date column names.	'event_start_date'
target_end_date	str	Standardised event date column names.	'event_start_date'
in_observation	bool	Restrict to records in observation period (default True).	True
name_style	str	Column name template with {concept_name}, {window_name}.	'{concept_name}_{window_name}'