A light wrapper around clean_duration.
decision_5(data, decision = "a")a data frame
one of the following strings:
leave duration as-is
set to missing if > 6 months
set to missing if > 12 months
set to missing if > 24 months
set to 6 months if > 6 months
set to 12 months if > 12 months
set to 24 months if > 24 months
Other decision functions:
decision_10(),
decision_1(),
decision_2(),
decision_3(),
decision_4(),
decision_6(),
decision_7(),
decision_8(),
decision_9(),
drug_prep()