SUBJECT:  Computing optimal sampling designs for two-stage studies
AUTHORS:  Marie Reilly
          Epidemiology & Public Health
          University College Cork, Ireland

          Agus Salim
          Department of Statistics
          University College Cork, Ireland
          
SUPPORT:  marie.reilly@ucc.ie
          a.salim@ucc.ie

HELP:
From inside Stata, on-line help is available.  Type


   . help optfixn
   . help optbud
   . help optprec
   . help coding