You are not logged in. You can browse but not post. Login or Register by clicking 'Login or Register' at the top-right of this page. For more information on Statalist, see the FAQ.
This is only a typical paper for people who do what you do!
To get a detailed answer, you will probably need to make a better start by showing the forum example data so that people can make code suggestions. Otherwise you're expecting people to think up example data and guess at the data layout you have and then write code. That is unlikely to happen.
Comment