for example, i have 5 groups, each of group have 100 data, so that 500 data in sum in one dataset. i want to estimate the parameter only for each 100 data, then ouput 5 groups result.
I do not really understand what kind of data you have from your description, but to export something from OPTMODEL you can use the CREATE DATA programming statement:
Walk in ready to learn. Walk out ready to deliver. This is the data and AI conference you can't afford to miss. Register now and lock in 2025 pricing—just $495!