RE: Cohen's Ecologic Studies

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

On Mon, 3 Jun 2002, Otto G. Raabe wrote:

>

> Lubin's new paper attacking Cohen's ecological studies of lung cancer and

> radon continues the repeated theme that there are possible non-linear

> confounding factors that could theoretically explain Cohen's results. This

> is true. However, it seems to me to be important to specifically identify

> these confounding factors and show how they affect the results. I don't

> think that has been accomplished.



	--Linearity has nothing to do with my analyses. I don't assume

anything is linear except lung cancer vs radon

	--They don't have to show how they affect my results. All I ask is

that someone suggest a specific confounding factor that might possibly

affect my results and I will have to prove that it cannot. Is that asking

for too much?



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