st: re: Question about "predict" and "mean" when i ~= (not equal) j?

[Christopher Baum <baum@bc.edu>]

<>
webuse grunfeld,clear
egen sumrest = total(time), by(company)
egen n = count(time), by(company)
g meanrest = (sumrest - time) / (n - 1)

meanrest is the average of the values not including the current value  
for each company. Replace 'time' with 'invest' to get something more  
meaningful (so to speak).

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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