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Re: st: generating cumulative sequence

From   Nick Cox <>
Subject   Re: st: generating cumulative sequence
Date   Wed, 21 Mar 2012 08:55:12 +0000

gen var2 = sum(var1)

General tip: Browse in the help for functions to see what you are
missing. If it's fundamental, it should be a function. If it's
important, but not fundamental, it may be an -egen- function.
StataCorp have absolute rights over defining what is fundamental.

For an eclectic, idiosyncratic, quirky and capricious highlighting of
some valuable functions, see

Cox, N.J. 2011. Speaking Stata: Fun and fluency with functions. Stata
Journal 11(3): 460-471.

Abstract.  Functions are the unsung heroes of Stata. This column is a
tour of functions that might easily be missed or underestimated, with
a potpourri of tips, tricks, and examples for a wide range of basic


On Wed, Mar 21, 2012 at 8:46 AM, Ivica Rubil <> wrote:

> How can I generate Var2 (see below), i.e. the cumulative sequence based
> on Var1? It seems an egen function can do the job, but which one? Or
> there's another solution? Thanks in advance.
> Var1               Var2
> -----------------------
> 1                    1
> 5      1+5 =         6
> 6      1+5+6 =      12
> 8      1+5+6+8 =    20
> 12     1+5+6+8+12 = 32

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