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st: Re: Accumulastion Order


From   "Michael Blasnik" <michael.blasnik@verizon.net>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Re: Accumulastion Order
Date   Fri, 16 Mar 2007 13:28:46 -0400

Your example output does show the cumulative sum of A, but your code doesn't even reference a variable A. It's not clear what p is in your code or why you need a double loop or how it relates to the output below it, but Stata can produce a cumulative sum using the built-in -sum()- function.

Michael Blasnik

---- Original Message ----- From: "Victor M. Zammit" <vmz@vol.net.mt>
To: <statalist@hsphsun2.harvard.edu>
Sent: Friday, March 16, 2007 11:40 AM
Subject: st: Accumulastion Order



I have variable A with the given observations and I would like to create
code to get variable Accum.I tried

local i = 1

while `i'<= _N {

local e = 1

while `e'<= _N {

local u = p[`i'] + p[`i'-1]

replace c = `u' in `e'

local e = `e'+1

local i = `i'+1

}

}

but it does not work,

A Accum

1     1

3    4

0    4

<snip>
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