*-Duration of poverty
*-
https://bbs.pinggu.org/thread-1217063-1-1.html
*-说明:无法以家庭为单位进行分析,而要以家庭中的每个成员为单位进行分析
cd D:\stata11\ado\personal\temp
*insheet using data_pov_duration.txt, clear
*------------------input data----------------------------------
clear
input hhid line gender wave age inc pk
211101001 2 2 1989 36.54 3986.22 0
211101001 1 1 1989 37.54 3986.22 0
211101001 3 2 1989 10.05 3986.22 0
211101001 2 2 1991 38.48 3457.497 0
211101001 1 1 1991 39.49 3457.497 0
211101001 3 2 1991 11.99 3457.497 0
211101001 3 2 1993 13.89 4609.963 0
211101001 2 2 1993 40.39 4609.963 0
211101001 1 1 1993 41.39 4609.963 0
211101001 3 2 2000 20.8 7785.401 0
211101001 2 2 2000 47.29 7785.401 0
211101001 1 1 2000 48.29 7785.401 0
211101002 3 2 1989 9.78 3680.05 0
211101002 2 2 1989 36.93 3680.05 0
211101002 1 1 1989 37 3680.05 0
211101002 2 2 1991 38.87 2904.244 0
211101002 3 2 1991 11.72 2904.244 0
211101002 1 1 1991 38.93 2904.244 0
211101002 2 2 1993 40.78 3687.57 0
211101002 3 2 1993 13.63 3687.57 0
211101002 1 1 1993 40.85 3687.57 0
211101003 3 1 1989 13.05 4231.679 0
211101003 2 2 1989 38.73 4231.679 0
211101003 1 1 1989 39.95 4231.679 0
211101003 2 2 1991 40.67 4634.417 0
211101003 3 1 1991 14.99 4634.417 0
211101003 1 1 1991 41.89 4634.417 0
211101003 1 1 1993 43.79 4923.602 0
211101003 2 2 1993 42.58 4923.602 0
211101003 3 1 1993 16.9 4923.602 0
211101003 1 1 2000 50.69 2210.787 1
211101003 3 1 2000 23.8 2210.787 1
211101003 2 2 2000 49.48 2210.787 1
211101003 2 2 2004 53.55 1780.151 1
211101003 102 2 2006 6 4522.926 0
211101003 101 2 2006 31.91 4522.926 0
211101003 2 2 2009 58.64 5400 0
211101004 3 2 1989 11.49 4786.485 0
211101004 1 2 1989 35.88 4786.485 0
211101004 2 1 1989 38.43 4786.485 0
211101004 3 2 1991 13.43 8035.13 0
211101004 2 1 1991 40.36 8035.13 0
211101004 1 2 1991 37.82 8035.13 0
211101004 1 2 1993 39.73 3935.297 0
211101004 2 1 1993 42.27 3935.297 0
211101004 3 2 1993 15.34 3935.297 0
211101005 2 2 1989 42.43 7995.566 0
211101005 3 2 1989 13.71 7995.566 0
211101005 1 1 1989 43.78 7995.566 0
211101005 2 2 1991 44.37 3890.304 0
211101005 1 1 1991 45.73 3890.304 0
211101005 3 2 1991 15.65 3890.304 0
211101005 3 2 1993 17.56 3945.643 0
211101005 1 1 1993 47.63 3945.643 0
211101005 2 2 1993 46.28 3945.643 0
211101006 2 2 1989 55.29 4883.226 0
211101006 1 1 1989 55.33 4883.226 0
211101006 1 1 1993 59.19 10082.58 0
211101006 2 2 1993 59.15 10082.58 0
211101007 4 1989 2754.467 0
211101007 1 1 1989 38.45 2754.467 0
211101007 2 2 1989 37.03 2754.467 0
211101007 3 2 1989 11.02 2754.467 0
211101007 3 2 1991 12.97 2494.61 0
211101007 2 2 1991 38.97 2494.61 0
211101007 4 1 1991 5.53 2494.61 0
211101007 1 1 1991 40.39 2494.61 0
211101007 4 1 1993 7.44 3225.757 0
211101007 3 2 1993 14.87 3225.757 0
211101007 2 2 1993 40.88 3225.757 0
211101007 1 1 1993 42.3 3225.757 0
211101008 2 2 1989 48.5 4149.261 0
211101008 3 1 1989 24.45 4149.261 0
211101008 1 1 1989 50.16 4149.261 0
211101008 1 1 1989 50.16 4149.261 0
211101008 2 2 1989 48.5 4149.261 0
211101008 2 2 1989 48.5 4149.261 0
211101008 2 2 1989 48.5 4149.261 0
211101008 4 2 1989 26.78 4149.261 0
211101008 1 1 1989 50.16 4149.261 0
211101008 3 1 1989 24.45 4149.261 0
211101008 2 2 1989 48.5 4149.261 0
211101008 2 2 1989 48.5 4149.261 0
211101008 1 1 1989 50.16 4149.261 0
211101008 1 1 1989 50.16 4149.261 0
211101008 1 1 1989 50.16 4149.261 0
211101008 1 1 1989 50.16 4149.261 0
211101008 4 2 1989 26.78 4149.261 0
211101008 5 1 1989 2.11 4149.261 0
211101008 1 1 1989 50.16 4149.261 0
211101008 3 1 1989 24.45 4149.261 0
211101008 2 2 1989 48.5 4149.261 0
211101008 1 1 1989 50.16 4149.261 0
211101008 1 1 1989 50.16 4149.261 0
211101008 2 2 1989 48.5 4149.261 0
211101008 2 2 1989 48.5 4149.261 0
211101008 2 2 1989 48.5 4149.261 0
211101008 2 2 1991 50.44 4094.428 0
211101008 2 2 1991 50.44 4094.428 0
211101008 1 1 1991 52.1 4094.428 0
211101008 3 1 1991 26.39 4094.428 0
211101008 1 1 1991 52.1 4094.428 0
211101008 2 2 1991 50.44 4094.428 0
211101008 2 2 1991 50.44 4094.428 0
211101008 3 1 1991 26.39 4094.428 0
211101008 1 1 1991 52.1 4094.428 0
211101008 21 2 1991 21.64 4094.428 0
211101008 2 2 1991 50.44 4094.428 0
211101008 2 2 1991 50.44 4094.428 0
211101008 3 1 1991 26.39 4094.428 0
211101008 2 2 1991 50.44 4094.428 0
211101008 1 1 1991 52.1 4094.428 0
211101008 3 1 1991 26.39 4094.428 0
211101008 3 1 1991 26.39 4094.428 0
211101008 1 1 1991 52.1 4094.428 0
211101008 3 1 1991 26.39 4094.428 0
211101008 21 2 1991 21.64 4094.428 0
211101008 3 1 1991 26.39 4094.428 0
211101008 2 2 1991 50.44 4094.428 0
211101008 2 2 1991 50.44 4094.428 0
211101008 2 2 1991 50.44 4094.428 0
211101008 4 2 1991 28.72 4094.428 0
211101008 2 2 1991 50.44 4094.428 0
211101008 3 1 1991 26.39 4094.428 0
211101008 5 1991 4094.428 0
211101008 3 1 1991 26.39 4094.428 0
211101008 4 2 1991 28.72 4094.428 0
211101008 1 1 1991 52.1 4094.428 0
211101008 2 2 1991 50.44 4094.428 0
211101008 2 2 1991 50.44 4094.428 0
211101008 3 1 1991 26.39 4094.428 0
211101008 2 2 1991 50.44 4094.428 0
211101008 3 1 1991 26.39 4094.428 0
211101008 1 1 1991 52.1 4094.428 0
211101008 1 1 1991 52.1 4094.428 0
211101008 1 1 1991 52.1 4094.428 0
211101008 1 1 1991 52.1 4094.428 0
211101008 3 1 1991 26.39 4094.428 0
211101008 1 1 1991 52.1 4094.428 0
211101008 1 1 1991 52.1 4094.428 0
211101008 1 1 1991 52.1 4094.428 0
211101008 1 1 1991 52.1 4094.428 0
211101008 1 1 1993 54.02 5254.783 0
211101008 1 1 1993 54.02 5254.783 0
211101008 5 1 1993 5.97 5254.783 0
211101008 2 2 1993 52.36 5254.783 0
211101008 2 2 1993 52.36 5254.783 0
211101008 1 1 1993 54.02 5254.783 0
211101008 1 1 1993 54.02 5254.783 0
211101008 2 2 1993 52.36 5254.783 0
211101008 1 1 1993 54.02 5254.783 0
211101008 2 2 1993 52.36 5254.783 0
211101008 1 1 1993 54.02 5254.783 0
211101008 3 1 1993 28.31 5254.783 0
211101008 3 1 1993 28.31 5254.783 0
211101008 1 1 1993 54.02 5254.783 0
211101008 2 2 1993 52.36 5254.783 0
211101008 2 2 1993 52.36 5254.783 0
211101008 2 2 1993 52.36 5254.783 0
211101008 4 2 1993 30.64 5254.783 0
211101008 2 2 1993 52.36 5254.783 0
211101008 2 2 1993 52.36 5254.783 0
211101008 21 2 1993 23.56 5254.783 0
211101008 1 1 1993 54.02 5254.783 0
211101008 1 1 1993 54.02 5254.783 0
211101008 1 1 1993 54.02 5254.783 0
211101008 3 1 1993 28.31 5254.783 0
211101008 3 1 1993 28.31 5254.783 0
211101008 2 2 1993 52.36 5254.783 0
211101008 3 1 1993 28.31 5254.783 0
211101008 3 1 1993 28.31 5254.783 0
211101008 1 1 1993 54.02 5254.783 0
211101008 1 1 1993 54.02 5254.783 0
211101008 2 2 1993 52.36 5254.783 0
211101008 2 2 1993 52.36 5254.783 0
211101008 2 2 1993 52.36 5254.783 0
211101008 4 2 1993 30.64 5254.783 0
211101008 1 1 1993 54.02 5254.783 0
211101008 3 1 1993 28.31 5254.783 0
211101008 3 1 1993 28.31 5254.783 0
211101008 3 1 1993 28.31 5254.783 0
211101008 3 1 1993 28.31 5254.783 0
211101008 3 1 1993 28.31 5254.783 0
211101008 2 2 1993 52.36 5254.783 0
211101008 21 2 1993 23.56 5254.783 0
211101008 1 1 1993 54.02 5254.783 0
211101008 2 2 1993 52.36 5254.783 0
211101008 1 1 1993 54.02 5254.783 0
211101008 1 1 2000 60.91 2309.891 1
211101008 3 1 2000 35.2 2309.891 1
211101008 2 2 2000 59.25 2309.891 1
211101008 21 2 2000 30.44 2309.891 1
211101008 5 1 2000 12.86 2309.891 1
211101008 3 1 2000 35.2 2309.891 1
211101008 3 1 2000 35.2 2309.891 1
211101008 61 1 2000 6.19 2309.891 1
211101008 2 2 2000 59.25 2309.891 1
211101008 21 2 2000 30.44 2309.891 1
211101008 1 1 2000 60.91 2309.891 1
211101008 3 1 2000 35.2 2309.891 1
211101008 3 1 2000 35.2 2309.891 1
211101008 2 2 2000 59.25 2309.891 1
211101008 1 1 2000 60.91 2309.891 1
211101008 4 2000 2309.891 1
211101008 3 1 2000 35.2 2309.891 1
211101008 1 1 2000 60.91 2309.891 1
211101008 2 2 2000 59.25 2309.891 1
211101008 1 1 2000 60.91 2309.891 1
211101008 2 2 2000 59.25 2309.891 1
211101008 2 2 2000 59.25 2309.891 1
211101008 2 2 2000 59.25 2309.891 1
211101008 1 1 2000 60.91 2309.891 1
211101008 1 1 2000 60.91 2309.891 1
211101008 3 1 2004 39.27 5357.143 0
211101008 2 2 2004 63.33 5357.143 0
211101008 21 2 2004 34.52 5357.143 0
211101008 2 2 2004 63.33 5357.143 0
211101008 3 1 2004 39.27 5357.143 0
211101008 2 2 2004 63.33 5357.143 0
211101008 2 2 2004 63.33 5357.143 0
211101008 3 1 2004 39.27 5357.143 0
211101008 81 2004 5357.143 0
211101008 61 1 2004 10.26 5357.143 0
211101008 1 1 2004 64.98 5357.143 0
211101008 2 2 2004 63.33 5357.143 0
211101008 21 2 2004 34.52 5357.143 0
211101008 1 1 2004 64.98 5357.143 0
211101008 1 1 2004 64.98 5357.143 0
211101008 5 2004 5357.143 0
211101008 1 1 2004 64.98 5357.143 0
211101008 2 2 2006 65.28 5084.217 0
211101008 1 1 2006 66.94 5084.217 0
211101008 81 2006 5084.217 0
211101008 61 1 2006 12.22 5084.217 0
211101008 2 2 2006 65.28 5084.217 0
211101008 3 1 2006 41.23 5084.217 0
211101008 1 1 2006 66.94 5084.217 0
211101008 3 1 2006 41.23 5084.217 0
211101008 101 2006 5084.217 0
211101008 5 1 2006 18.89 5084.217 0
211101008 2 2 2006 65.28 5084.217 0
211101008 102 2006 5084.217 0
211101008 1 1 2006 66.94 5084.217 0
211101008 21 2 2006 36.47 5084.217 0
211101008 4 2006 5084.217 0
211101008 1 1 2006 66.94 5084.217 0
211101008 2 2 2006 65.28 5084.217 0
211101008 1 1 2006 66.94 5084.217 0
211101008 21 2 2006 36.47 5084.217 0
211101008 2 2 2006 65.28 5084.217 0
211101008 21 2 2009 39.61 13756 0
211101008 2 2 2009 68.41 13756 0
211101008 102 2009 13756 0
211101008 101 2009 13756 0
211101008 2 2 2009 68.41 13756 0
211101008 3 2009 13756 0
211101008 1 2009 13756 0
211101008 2 2 2009 68.41 13756 0
211101008 4 2009 13756 0
211101008 2 2 2009 68.41 13756 0
211101008 1 2009 13756 0
211101008 1 2009 13756 0
211101008 5 1 2009 22.02 13756 0
211101008 2 2 2009 68.41 13756 0
211101008 61 1 2009 15.35 13756 0
end
*--------------------------------------------------------------
duplicates drop hhid line wave, force // 删除重复样本
sort hhid line wave
bysort hhid line: gen pk0 = wave if pk[_n-1]==0&pk[_n]==1
bysort hhid line: egen pk0yr = min(pk0) // 进入贫困时间
bysort hhid line: gen pkT = wave if pk[_n-1]==1&pk[_n]==0
bysort hhid line: egen pkTyr = max(pkT) // 脱贫时间
gen pk_duration = pkTyr-pk0yr // 持续时间
replace pk_duration=0 if pk_duration==. // 贫困状态未发生变化的观察值
order hhid-pk pk0 pkT pk0yr pkTyr pk_dura
browse