Optional
intervalSee Interval. The type of interval that should be calculated between the measure date and the zero date (if zeroDateCol is specified) or zero day (if zeroDayVisitTag is specified).
Optional
useIf true, zeroDayVisitTag uses ParticipantVisit.ProtocolDay to calculate offsets; if false ParticipantVisit.Day is used. Defaults to true.
Optional
zeroA measure object (with properties for name, queryName, and schemaName) of type date specifying the zero date, used to align data points in terms of days, weeks, or months.
Optional
zeroA VisitTag that will be used to find the ParticipantVisit used to align data points.
A measure object (with properties for name, queryName, and schemaName) of type date specifying the measure date.