xge2000 发表于 2011-9-3 07:23 
it is good, pls use findit selmlog
are you familiar with "svyset", there is no selmlog but svyselmlog which needs using "svyset" first, but I can not understand the command in stata help:
svyset psu [weight] [, design_options] [|| ssu , design_options] ...
[options]
hope to talk more with you ,Q546074538,thanks