Code:
tsset county year isid county year, sort variables county and year should never be missing r(459);
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by county (year): keep if _N == 22
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* Example generated by -dataex-. For more info, type help dataex clear input float(wanted county year) 2 1011 2002 2 1011 2003 1 1011 2004 1 1011 2019 1 1027 2000 2 1027 2002 1 1027 2008 1 1027 2009 1 1027 2013 1 1027 2018 4 1001 2000 3 1001 2001 1 1001 2002 1 1001 2003 3 1001 2004 5 1001 2005 2 1001 2006 3 1001 2007 2 1001 2008 2 1001 2009 3 1001 2010 2 1001 2011 7 1001 2012 3 1001 2013 3 1001 2014 3 1001 2015 2 1001 2016 7 1001 2017 11 1001 2018 3 1001 2019 3 1001 2020 end
Code:
tsset county year tsfill, full
[CODE]
Code:
* Example generated by -dataex-. For more info, type help dataex clear input float(wanted county year policy) 4 1001 2000 0 3 1001 2001 0 1 1001 2002 0 1 1001 2003 0 3 1001 2004 0 5 1001 2005 0 2 1001 2006 0 3 1001 2007 0 2 1001 2008 0 2 1001 2009 0 3 1001 2010 0 2 1001 2011 0 7 1001 2012 0 3 1001 2013 0 3 1001 2014 1 3 1001 2015 1 2 1001 2016 1 7 1001 2017 1 11 1001 2018 1 3 1001 2019 1 3 1001 2020 1 0 1001 2021 0 0 1001 2022 0 0 1011 2000 0 0 1011 2001 0 2 1011 2002 0 2 1011 2003 0 1 1011 2004 0 0 1011 2005 0 0 1011 2006 0 0 1011 2007 0 0 1011 2008 0 0 1011 2009 0 0 1011 2010 0 0 1011 2011 0 0 1011 2012 0 0 1011 2013 0 0 1011 2014 0 0 1011 2015 0 0 1011 2016 0 0 1011 2017 0 0 1011 2018 0 1 1011 2019 0 0 1011 2020 0 0 1011 2021 0 0 1011 2022 0 1 1027 2000 0 0 1027 2001 0 2 1027 2002 0 0 1027 2003 0 0 1027 2004 0 0 1027 2005 0 0 1027 2006 0 0 1027 2007 0 1 1027 2008 0 1 1027 2009 0 0 1027 2010 0 0 1027 2011 0 0 1027 2012 0 1 1027 2013 0 3 1027 2014 0 0 1027 2015 0 1 1027 2016 0 0 1027 2017 0 1 1027 2018 1 2 1027 2019 1 0 1027 2020 1 0 1027 2021 1 0 1027 2022 1 end
Code:
sdid wanted county year policy, vce(bootstrap) seed(1213) Panel is unbalanced. r(451);
0 Response to sdid in case of unbalanced panel
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