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st: bootstraping with qreg bsqreg and sqreg


From   Rijo John <rijo@igidr.ac.in>
To   Statalist <statalist@hsphsun2.harvard.edu>
Subject   st: bootstraping with qreg bsqreg and sqreg
Date   Thu, 24 Jun 2004 22:48:31 +0530 (IST)

Dear Stata users,

 I was doing a bootstrapping exercise for the same quantile regression in
three ways.
1)	bs "qreg y x1 x2 x3....x22" "_b[x1] _b[x2]...._b[x22] _[_const],
	reps(20)
2)	sqreg y x1 x2 ...... x22
3)	bsqreg y x1 x2 ......x22

Why am I getting different bootstrap standard errors in each one of this
method? The stata help says these methods are same. The coefficients I am
getting are same though. Can anyone tell me which one of this is to be
accepted or most widely used?

Thanks,
Rijo John.
***************************************************
Rijo.M.John,Research Scholar
Indira Gandhi Institute of Developement Research,
Film City Road, Goregaon East,
Mumbai, India-400065.
contact: (+91)9892412476




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