Identifies the optimal subgroup according to the specified criterion
Usage
select_best_subgroup(values, sg.criterion, dmin.grf, n.max)
Arguments
- values
Data frame. Node metrics from policy trees
- sg.criterion
Character. "mDiff" for maximum difference, "Nsg" for largest size
- dmin.grf
Numeric. Minimum difference threshold
- n.max
Integer. Maximum allowed subgroup size (total sample size)
Value
Data frame row with best subgroup or NULL if none found