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st: How to generate a variable made up of sections of other variables‏


From   Matthew Mroczek <[email protected]>
To   "[email protected]" <[email protected]>
Subject   st: How to generate a variable made up of sections of other variables‏
Date   Thu, 5 May 2011 09:34:02 +0000

Hi All,

I am using Stata/SE 11.2 for Windows (64-bit x86-64) Born 30 Mar 2011 and have been trying to create a variable made up of specific sections of a number of other variables. So essentially I would like to replace eg the 60-70th values in my variable with the 20-30th values of another. Also if it complicated matters id like to work in a loop so something along the lines of this

forvalues c  = 1(1)5{
forvalues n = 1(1)5{
forvalues x = 1(1)5 {

sum variable
gen `c'`n'`x' = r(sum)
}

quietly gen p`c'`n' =  p`c'`n'1 in 1
quietly replace p`c'`n' =  p`c'`n'2 in 2
quietly replace p`c'`n' =  p`c'`n'3 in 3
quietly replace p`c'`n' =  p`c'`n'4 in 4
quietly replace p`c'`n' =  p`c'`n'5 in 5

}

quietly gen p`c' =  pds`c'1 in 1/5
quietly replace p`c' in 6/10 =  p`c'2 in 1/5
quietly replace p`c' in 11/15 =  p`c'3 in 1/5
quietly replace p`c' in 16/20 =  p`c'4 in 1/5
quietly replace p`c' in 21/25 =  p`c'5 in 1/5

}

So if anyone could point me in the right direction I'd be very grateful.

Cheers,
Mateusz Mroczek
Queensland University of Technology 
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