Re: Confounders and Coincidences - Numerical Examples

[BERNARD L COHEN <blc+@PITT.EDU>]

On Fri, 9 May 2003 epirad@mchsi.com wrote:



> Your response

>

> "If there is a problem, please give me a concrete numerical example (made-up

> is fine)."



>  it is

> not always possible to identify empirical sources of ecologic bias from

> aggregate (ecologic) data alone (Field et al. 1998a)."



	--That does not say that you cannot make up a possible

explanation.







> that you may be able to explain your findings if you wanted to improve your

> analyses by following the examples of papers such as:

>

> Journal of the Royal Statistical Society: Series A (Statistics in Society)

> Volume 164 Issue 1 Page 141  - 2001



	--I could not see the relevance of that paper to my work. I still

don't see why you can't make up a numerical example.



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