d dfbeta2. Calculates the DFBETA after OLS regression. 
d Program by Weihua Guan, StataCorp <wguan@@stata.com>.
d
d This program is an expansion of -dfbeta-. It allows the calculation of 
d the scaled DFBETA for the constant term. 

f dfbeta2/dfbeta2.ado 
f dfbeta2/dfbeta2.hlp