use "/Users/dave/UCSF/Teaching/Teaching20/HW7/hwk7.dta", clear

logistic hepatom female edema bilir copper ast age
predict out, p
xtile group=out, nq(5)
tab group hepat


logistic died i.hepatom i.group
margins hepatom
margins, dydx(hepatom)

logistic died i.hepatom female edema bilir copper ast age
margins hepatom


gen pw= 1/out if hepatom==1
replace pw = 1/(1-out) if hepatom==0
logistic died i.hepatom [pweight=pw]
margins hepatom

graph box pw

replace pw=13 if id==63 | id==281
logistic died i.hepatom [pweight=pw]
margins hepatom