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st: Re: compare two datasets (variable name only)


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Re: compare two datasets (variable name only)
Date   Fri, 7 Nov 2008 01:16:02 +0100

***********
sysuse auto, clear
drop mpg for gear
save mynewauto1, replace
sysuse auto, clear
drop mpg
save mynewauto2, replace
d using "C:\Users\ma\Documents\Stata\mynewauto1.dta", varl
local first `r(varlist)'
d using "C:\Users\ma\Documents\Stata\mynewauto2.dta", varl
loc second `r(varlist)'
loc diff: list second - first
loc joint: list second & first
di in red "Differences: `diff'"
di in red "Common: `joint'"
***********

HTH
Martin
_______________________
----- Original Message ----- From: "Xu, Haiyong" <HXu@mednet.ucla.edu>
To: <statalist@hsphsun2.harvard.edu>
Sent: Friday, November 07, 2008 12:42 AM
Subject: st: compare two datasets (variable name only)


Hi,
Is there any way to compare only the variable names in two datasets? What I want to know is what variables are in common and what variables only exist in one of the two datasets.

Thanks.
Haiyong

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