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st: re: cumulative sum in new variable


From   Christopher Baum <kit.baum@bc.edu>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: re: cumulative sum in new variable
Date   Mon, 18 Apr 2011 10:06:05 -0400

<>
Rich said

1. use the -egen- command with the the total function

2. see -help format-


This is a bum steer, I'm afraid. The total function in egen does not produce a cumulative sum. The generate function sum() does that for a living. That's why StataCorp renamed egen sum() to egen total(), to reduce confusion between the two. In any case what you want is sum().

KIt

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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