d STB-23 gr16. Convex hull programs. d STB insert by d J. Patrick Gray, University of Wisconsin-Milwaukee; d Tim McGuire, Stata Corporation. d Support: jpgray@@alpha1.csd.uwm.edu d After installation, see help ^condraw^ and help ^conhull^. f gr16/condraw.ado f gr16/condraw.hlp f gr16/conhull.ado f gr16/conhull.hlp f gr16/smoke.dta