/* TUTORIAL UNITAB 
Author: Nicola Orsini - IMM, KI
Date: 2004/04/03
*/

capture net install http://nicolaorsini.altervista.org/stata/unitab
which unitab
webuse lbw, clear
tab low  
su age 
su age if low == 1
logistic low age
unitab low age
xtile ageq = age, nq(4)
tab ageq low, row nokey chi2
tab ageq low, row nokey exact
xi: logistic low i.ageq
unitab low, c(ageq) 
unitab low, c(ageq) ex
unitab low age, c(ageq)
tab race low, row nokey
xi:logistic low i.race
unitab low , c(race)
unitab low age ht ui, c(race smoke ageq)  
unitab low age ht ui, c(race smoke ageq) l(90) f(%6.5f)