Perform several checks for recurrent event data and update object
attributions if some rows of the contained data (in the .Data slot)
have been removed by such as na.action.
check_Recur(x, check = c("hard", "soft", "none"))An Recur object invisibly.
An Recur object.
A character value specifying how to perform the checks for
recurrent event data. Errors or warnings will be thrown, respectively,
if the check is specified to be "hard" (by default) or
"soft". If check = "none" is specified, no data checking
procedure will be run.