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st: re: math operations with estimation results from two


From   Kit Baum <[email protected]>
To   [email protected]
Subject   st: re: math operations with estimation results from two
Date   Sun, 15 Mar 2009 11:23:12 -0400

<>	
Trivial change:

sysuse auto,clear
reg price mpg weight turn
est store one
reg price mpg headroom trunk
est store two

est restore one
scalar rss1 = e(rss)
est restore two
scalar rssd = e(rss) - rss1
di "difference in error SS: " rssd


Kit Baum   |   Boston College Economics and DIW Berlin   |   http://ideas.repec.org/e/pba1.html
An Introduction to Stata Programming   |   http://www.stata-press.com/books/isp.html
An Introduction to Modern Econometrics Using Stata   |   http://www.stata-press.com/books/imeus.html



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