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Re: Cohen's Fallacy





How do you treat within county correlations if you do not know what they 

are?



>From: BERNARD L COHEN <blc+@pitt.edu>

>To: Rad health <healthrad@HOTMAIL.COM>

>CC: radsafe@list.vanderbilt.edu

>Subject: Re: Cohen's Fallacy

>Date: Mon, 28 Jan 2002 11:21:21 -0500 (EST)

>

>

>On Sun, 27 Jan 2002, Rad health wrote:

>

> >

> > There is a huge inverse correlation in Cohen's county level data between

> > smoking and radon.

>

>	--This correlation is fairly large, but it could hardly be called

>huge.

>

>   It is also likely correlated within the county level

> > with such other factors as socioeconomic level.  Cohen can not account 

>for

> > these within county correlations for even one county and the 

>correlations

> > are not linear among counties.

>

>	--Your problem is that you don't read or pay attention to my

>papers. I do treat within county correlations, and I never assume anything

>is linear except between radon and lung cancer which is the theory I am

>testing. Why not read my paper on "Treatment of confounding factors in an

>ecological study" whiich is posted on my web site before expounding on

>your criticisms? Why not submit your suggestions in a letter to the

>Editor, which, if accepted, will automatically get you a $1000 reward?

>

>





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