From | rghuang <[email protected]> |
To | "[email protected]" <[email protected]> |
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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