Helper function to construct an empty data frame for AE exposure analysis.
Usage
.empty_ae_exposure_df(trt_levels, by, conf_level, per, na_string)
Arguments
- trt_levels
Character vector of treatment levels
- by
Grouping level
- conf_level
Confidence level
- per
Rate per X patient-years
- na_string
NA string
Value
Empty data frame with correct column structure
