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st: xtprobit results without data for std.err
From
"Basti Boss" <[email protected]>
To
[email protected]
Subject
st: xtprobit results without data for std.err
Date
Sun, 15 Jan 2012 12:16:57 +0100 (CET)
Hey,
i´ve got a serious problem. I have a panel dataset and want to estimate a heckman two-step. So first step is to estimate the xtprobit for the selection equation. The stata results/ output after my xtprobit estimation (which took me 6hours) looks like:
varname | Coef. Std. Err. z P>|z| [95% Conf. Interval]
name 0,23 - - - -
name2 1,46 - - - -
etc...
------------------------------------------------------------------------
/lnsig2u 37.33. .200 36.94 37.73
------------------------------------------------------------------------
sigma_u 1.28e+08 1.29e+07 1.05e... 1.56e...
rho 1 1.22e.. 1 1
_____________________________________________
with no results for the significance etc. How could this happen? And how can I fix this problem...
I would be very thankfull if there is anybody who could help me with this!!
Thanks a lot
Greetz
Basti
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