/* TUTORIAL XTVC
Author: Matteo Bottai & Nicola Orsini 
Date: 2004/06/26
*/
 
capture net install http://nicolaorsini.altervista.org/stata/xtvc
which xtvc

webuse nlswork.dta, clear
iis idcode
xtreg ln_w grade age ttl_exp tenure, mle
xtvc
xtvc, l(90)
xtvc, l(99) h0(0.25)