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RE: st: mutiple if statements - thanks


From   "Rajesh Tharyan" <R.Tharyan@exeter.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: mutiple if statements - thanks
Date   Sun, 1 Jul 2007 16:41:43 +0100

Hi,

Thanks very much. These are not the original files but extracts from them ..
but now I have got the logic and the commands .. I can make the appropriate
changes..

Thanks very much indeed..

rajesh


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Ulrich Kohler
Sent: 29 June 2007 22:33
To: statalist@hsphsun2.harvard.edu
Subject: Re: st: mutiple if statements
riate

------------------------------------------
// Append both files from the start
use file1,clear
gen file = 1
append using file2
replace file = 0 if file == .

// File 1
xtile xq1 = x if file, nq(5)
egen yq1 = xtile(y) if file, by(xq1) nq(5)

// File 2
pctile xcut = x if file, nq(5)
xtile xq2 = x if !file, cutpoints(xcut)
sort xq2
local xq2 = xq2[1]
pctile ycut = y if file & xq1 == `xq2', nq(5)
xtile yq2 = y if !file, cutpoints(ycut)

-------------------------------------------------


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