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xtreg中,cluster 与robust是否能够共存?
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is it possible in the command: xi:
xtreg `v' tri if for_sha==0, fe vce(clu cou_ind) robust the option:
cluster and robust could coexist? they are about different vce calculation? the system say they ...
2012-12-3 07:48 - peyzf - Stata专版