d STB-27 ip9.  Repeat Stata command by variable(s).
d STB insert by Patrick Royston, Royal Postgraduate Medical School, London.
d Support:  FAX (011)-44-181-740-3119
d After installation, see help ^byvar^.

f ip9/byvar.ado
f ip9/byvar.hlp
f ip9/igg.dta