do nlsw_data_setup
svyset [pw=wt]
tabout occupation south collgrad ///
using table21.html, replace style(htm) ///
font(italic) cwidth(100) c(mean wage ci) ///
f(2 2) clab(_ (90%_CI)) sum svy ///
level(90) npos(lab) layout(row) ///
h3(<tr><td></td><td colspan=3 ///
style='text-align:center'>Average ///
wage</td></tr>) ///
title(Table 21: Twoway summary table ///
with row layout)  fn(Source: nslw88.dta) ///
open