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st: can someone explain the rubost option in reg


From   rghuang <0034058@fudan.edu.cn>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: can someone explain the rubost option in reg
Date   Tue, 23 Dec 2003 23:20:01 +0800

can sb tell me something about the the Huber/White/sandwich estimator of variance,and when we should compute it?why shouold we use this option? thank you! 



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