Evaluate endpoint criterion based on number of subjects with events.
crit_ep_nsubev_01.Rd
This function checks if the number of subjects with events in at least one study arm is greater than or equal to a specified minimum.
Arguments
- dat
data.table. The analysis data set.
- event_index
vector of integers that index the rows in
dat
that match the definition of an 'event'. Matching is done via theINDEX_
column indat
.- subjectid_var
character. Name of the subject identifier variable in
dat
(default is "USUBJID").- treatment_var
The name of the variable in dat containing the treatment group assignments.
- n_subj_event_min
The minimum number of subjects with events required in at least one study arm.
- ...
Additional arguments passed to the function.