capture net install http://nicolaorsini.altervista.org/stata/kapprevi

which kapprevi

kapprevi, r1(0.90 0.95) r2(0.70 .99)
kapprevi, r1(0.90 0.95) r2(0.90 .95)
kapprevi, r1(0.70 0.90) r2(0.70 .90) ysize(4)  xsize(4)
kapprevi, r1(0.70 0.90) r2(0.70 .90) title(Dependence of kappa on prevalence)
kapprevi, r1(0.90 0.95) r2(0.70 .99) ysize(4) xsize(4) scheme(vg_blue)