View source: R/collapseCohorts.R
collapseCohorts | R Documentation |
collapseCohorts()
concatenates cohort records, allowing for some number
of days between one finishing and the next starting.
collapseCohorts(
cohort,
cohortId = NULL,
gap = 0,
name = tableName(cohort),
.softValidation = FALSE
)
cohort |
A cohort table in a cdm reference. |
cohortId |
Vector identifying which cohorts to modify (cohort_definition_id or cohort_name). If NULL, all cohorts will be used; otherwise, only the specified cohorts will be modified, and the rest will remain unchanged. |
gap |
Number of days between two subsequent cohort entries to be merged in a single cohort record. |
name |
Name of the new cohort table created in the cdm object. |
.softValidation |
Whether to perform a soft validation of consistency. If set to FALSE four additional checks will be performed: 1) a check that cohort end date is not before cohort start date, 2) a check that there are no missing values in required columns, 3) a check that cohort duration is all within observation period, and 4) that there are no overlapping cohort entries |
A cohort table
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