st: regression with robust and percentiles

[Ozgur Ozdemir <ozdemirozgur@hotmail.com>]

Hi,
I am using the following command to run a regression but not sure how i will add the robust option as well? thanks for your help.
centile a, cent(1 99)  eststo: robust quietly regress a b c d  if a> `r(c_1)' & a<=`r(c_2)' & a < .


kind regards
Ozgur

 		 	   		  
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