[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Cohen data suspect at best



Sure, email me in a month.



>From: Kai Kaletsch <info@eic.nu>

>To: Rad health <healthrad@hotmail.com>, radsafe@list.vanderbilt.edu

>Subject: Re: Cohen data suspect at best

>Date: Tue, 29 Jan 2002 09:46:53 -0600

>

>Looking forward to it. Can you give which journal it will be published in

>and when?

>

>----- Original Message -----

>From: "Rad health" <healthrad@hotmail.com>

>

> > A letter like this is already in press.

> >

> > >From: Kai Kaletsch <info@eic.nu>

> > >Don,

> > >

> > >Perhaps you can give a numerical example of how census inaccuracies can

> > >result in an inverse radon - lung cancer relationship WITHOUT assuming

>any

> > >relationship between the amount of misclassification and average county

> > >radon levels?

> > >

> > >This doesn't have to be realistic or complicated. You can use the 

>wildest

> > >examples your imagination can come up with. But you cannot assume any

> > >relationship between the amount of misclassification and average county

> > >radon levels.

> > >

> > >Kai

> > >

> > >----- Original Message -----

> > >From: "Rad health" <healthrad@hotmail.com>

> > >

> > >

> > > > Kai, this is what would be called a systematic bias within the 

>entire

> > >data

> > > > structure. As Morgenstern has previously pointed out, these group

>level

> > > > biases are unbounded an can result in inverse associations.

> > >

> >

> >

> > _________________________________________________________________

> > Chat with friends online, try MSN Messenger: http://messenger.msn.com

> >

>





_________________________________________________________________

Chat with friends online, try MSN Messenger: http://messenger.msn.com



************************************************************************

You are currently subscribed to the Radsafe mailing list. To unsubscribe,

send an e-mail to Majordomo@list.vanderbilt.edu  Put the text "unsubscribe

radsafe" (no quote marks) in the body of the e-mail, with no subject line. You can view the Radsafe archives at http://www.vanderbilt.edu/radsafe/