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Re: st: Transformations

From   "Shittu, Aminu" <>
To   "" <>
Subject   Re: st: Transformations
Date   Thu, 1 Dec 2011 08:13:00 -0800 (PST)

Thank you very much Maarten.


From: Maarten Buis <>
Sent: Thursday, December 1, 2011 3:06:17 PM
Subject: Re: st: Transformations

On Thu, Dec 1, 2011 at 4:00 PM, Aminu Shittu wrote:
> I am trying to create 4 new variables, from -var1-, that are log, square root, inverse and squared (quadratic) transformations. I will greatly appreciate some tips on how to go on with it.

gen log_var1  = log(var1)
gen sqrt_var1 = sqrt(var1)
gen inv_var1  = 1/var1
gen sq_var1   = var1^2

See: -help generate- and -help functions-

-- Maarten

Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
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