d STB-36 gr16_1.  Convex hull plot.
d STB insert by Nicholas J. Cox, University of Durham, UK.
d Support:  n.j.cox@@durham.ac.uk
d After installation, see help ^chplot^.

f gr16_1/chplot.ado
f gr16_1/chplot.hlp
f gr16_1/cirques.dta