< >
In my prior posting
local ti "price `=char(178)' 10000"
scatter price mpg if price>=10000,ti("`ti'")
should have referred to char(179) to display \geq rather than \leq,  
given the -if- condition.
Kit Baum, Boston College Economics and DIW Berlin
http://ideas.repec.org/e/pba1.html
An Introduction to Modern Econometrics Using Stata:
http://www.stata-press.com/books/imeus.html
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