An S4 class for Aperture

Source: R/window.R

The aperture class provides context to when the criteria must be observed in a person timeline to pretain to the expression

Slots

startWindow

a EventWindow class object identifying the start window

endWindow

a EventWindow class object ifentifying the end window (optional)

restrictVisit

a logic toggle where TRUE restricts to the same visit

ignoreObservationPeriod

a logic toggle where TRUE allows events outside the observation period