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Re: st: Need help with Stata Programming


From   Nick Cox <njcoxstata@gmail.com>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Need help with Stata Programming
Date   Thu, 30 May 2013 19:58:24 +0100

Nick
njcoxstata@gmail.com

local ds1 "D:\_Dummy\multiple\1\auto_1.dta"
local ds2 "D:\_Dummy\multiple\2\auto_2.dta"
local ds3 "D:\_Dummy\multiple\3\auto_3.dta"
local all ds1 ds2 ds3
local y = 1999
foreach x in `all'{
use ``x'',clear
include "D:\_Dummy\multiple\4\mpg.do"
include "D:\_Dummy\multiple\5\sum.do"
local ++y
gen year = "`y' "
save ``x''_new.dta,replace
}

local ++y

could be

local y = `y' + 1

The whole thing could be shorter.

> ************************************************
> NOW MY  NEW TASK/PROBLEM:
> I want to create a string variable  "year" which needs to be 2000 for
> auto_1.dta, 2001 for auto_2.dta,2002 for auto_3.dta etc
> Is could open each dataset and create it myself  before starting a  the loop.
> But is there a way to create one OR more  variables with different
> values for different datasets??  within a loop
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