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st: xtgls - expected values of residuals different from 0
i have a problem with xtgls. I am estimating a panel data model with AR1
correlation using the xtgls method.
xtgls lentped0p lhdi_hmg lgnimoyppvd lang louvcom llatmini,
panels(hetero) corr(ar1) force
When I calculate the expected value of residuals , i have something
different from 0.
I have this problem whatever options i put. (I use Stata 8)
I don't know where i could find the answer so could you help me please ?
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