/// illuration Code for panelhetro /// 0. Initialization use panelinit xtset id period /// 1. Empiricl CDF Estimaton phecdf y, method("hpj") acov_order(0) acor_order(1) /// 2. Moment Estimation phmoment y, method("hpj") boot(200) acov_order(0) acor_order(1) ereturn list matrix list e(ci) matrix list e(se) matrix list e(est) /// 3. Kernel Density Estimation phkd y, method("hpj") acov_order(0) acor_order(1)