Hello;
I use stata-press data of abdata to run xtabond. But I got message like:
. use http://stata-press.com/data/r9/abdata
. tis year
. iis n
. tsset n year
repeated time values within panel
r(451);
. gen yr=y(1980)+_n-1,
options not allowed
r(101);
. gen yr=year
. tsset n yr
repeated time values within panel
r(451);
In this case, are there any suggestions about how can I set the tsset properly for n m ys etc. please?
Thank you very much.
Alan
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