d STB-42 sg79. Generalized additive models. d STB insert by d Patrick Royston Royal Postgraduate Medical School, UK; d Gareth Ambler, Royal Postgraduate Medical School, UK. d Support: proyston@@rpms.ac.uk and gambler@@rpms.ac.uk f sg79/gam.ado f sg79/gam.hlp f sg79/gamplot.ado f sg79/gamplot.hlp f sg79/kyph.dta f sg79/pbc.dta f sg79/gam.zip