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st: RE: storing correlation coefficient


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: storing correlation coefficient
Date   Mon, 10 Mar 2008 20:04:09 -0000

To gloss Maarten's reply, perhaps unnecessarily: In Stata terms a local
macro is _not_ regarded as a variable. 

Maarten buis

--- "Armelini, Guillermo" wrote:
> Does anyone know how to store the correlation coefficient of a simple
> correlation in a new varible?

storing a single value in a variable is highly inefficient and
unnecesary. They way to store a single number is to use locals (or if
you are really worried about precision in scalars, see:
http://home.fsw.vu.nl/m.buis/stata/exampleFAQ.html#scalar )

*------------ begin example ----------------
sysuse auto, clear
corr mpg displacement
local rho = r(rho)
di `rho'
*-------------- end example ----------------
(For more on how to use examples I sent to the Statalist, see
http://home.fsw.vu.nl/m.buis/stata/exampleFAQ.html )

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