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st: Two questions about xtreg

From   "Jeff A." <>
Subject   st: Two questions about xtreg
Date   Mon, 04 Nov 2002 21:58:52 -0500

...still a bit new to stata - using xtreg for a two wave design.

Here is the basic command
xtreg x y z [pweight=weight] if male==0, pa i(ID)

1) why does stata keep telling me that the weights are not constant within ID when they are? Does this have anything to do with the weights going to 4 decimal places? Does stata normalize the weights by default?

2) I've used the "beta" option for other commands to provide standardized coefficients, but I can't get it to work in xtreg. Any ideas?

Thanks in advance

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