Bookmark and Share

Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down at the end of May, and its replacement, statalist.org is already up and running.


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: Transformations


From   Maarten Buis <maartenlbuis@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Transformations
Date   Thu, 1 Dec 2011 16:06:17 +0100

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
Germany


http://www.maartenbuis.nl
--------------------------
*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/


© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   Site index