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Re: RE: st: Checking to see if the association between two variables is linear or otherwise


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: RE: st: Checking to see if the association between two variables is linear or otherwise
Date   Sat, 13 Oct 2012 10:30:13 +0100

This comment presumes familiarity with, and relevance of, the details
of the U.S. educational system! Note that Amal is writing from Sweden
and never said that his data were U.S. data and more generally please
try to remember that this is an international list.

Nick

On Sat, Oct 13, 2012 at 3:46 AM, David Kantor <kantor.d@att.net> wrote:

> I agree, noting that highest grade attained is better than years in
> education, but it is still not appropriate, as it is not an interval scale.
> The "same" increments between values do not have the same significance.
> For example, the significance of the increment from grade 11 to 12 is not
> the same as from 10 to 11.
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