st: DW stat from prais command

[Tien Pham <t.ducpham@uq.edu.au>]

Dear all

I am new to Stata. I am sorry if my question has been raised and answered 
before.

I use prais command to run AR(1). The output of this command gives me two 
DW statistics: the original and the transformed. I have been trying to find 
out what the transformed DW stat means and if I can rely on it but I could 
not find any information about it. Can some one please give me some 
instruction or explanation on this?

Many thanks
Regards
tien

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