I have N=63 and T=4 and conduct Dynamic panel threshold model but it gives error message. How to resolve it?
Syntax: xthenreg rp90p10 fii grdp gov life aging, endogenous(l.rp90p10 fii grdp gov) inst(l.fii1 l.grdp aging distance)
maincode_0719(): 3301 subscript invalid
<istmt>: - function returned error
Syntax: xthenreg rp90p10 fii grdp gov life aging, endogenous(l.rp90p10 fii grdp gov) inst(l.fii1 l.grdp aging distance)
maincode_0719(): 3301 subscript invalid
<istmt>: - function returned error
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