gen parent_mig=(fa_mig==1|mo_mig==1)//在括号中,满足等于1;不满足等于0tab parent_mig fa_mig,m//检查生成情况labvarparent_mig"父母有一方外出务工"
假设你要的是最小的那25 bysort ind year: egen rassets_p50 = median(rassets)bysort ind year: egen rassets_p75 = median(rassets) if rassets< rasset_p50 gen small =0 replace small = 1 if rassets<rassets_p75 希望对你有帮助 ...