I just get back from class and will try to answer the question.
Best,
Xia
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Ribbing, Jakob
Sent: Monday, November 17, 2008 2:27 AM
To: XIA LI; nmusers
Subject: RE: [NMusers] Very small P-Value for ETABAR
Xia
for any confusion!
Best,
Xia
Original message
Date: Fri, 14 Nov 2008 18:37:22 -0500
From: Leonid Gibiansky [EMAIL PROTECTED]
Subject: Re: [NMusers] Very small P-Value for ETABAR
To: Xia Li [EMAIL PROTECTED]
Cc: 'Nick Holford' [EMAIL PROTECTED], 'nmusers' nmusers@globomaxnm.com
Xia,
I
To: nmusers
Subject: Re: [NMusers] Very small P-Value for ETABAR
Jakob,
Thanks for some more info on this issue. I have seen work from Mats and
Rada that says ETABAR can be biased when there is a lot of shrinkage
even when the data is simulated and fitted with the correct model. Can
you confirm
estimates.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Nick Holford
Sent: 14 November 2008 00:11
To: nmusers
Subject: Re: [NMusers] Very small P-Value for ETABAR
Jakob,
Thanks for some more info on this issue. I have seen work from Mats and
Rada
November 2008 00:11
To: nmusers
Subject: Re: [NMusers] Very small P-Value for ETABAR
Jakob,
Thanks for some more info on this issue. I have seen work from Mats and
Rada that says ETABAR can be biased when there is a lot of shrinkage
even when the data is simulated and fitted with the correct model
PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Nick Holford
Sent: Friday, November 14, 2008 3:34 PM
To: nmusers
Subject: Re: [NMusers] Very small P-Value for ETABAR
Jakob, Mats,
Thanks very much for your careful explanations of how asymmetric EBE
distributions can arise. That is very helpful
Hi Jian,
I would look for a covariate effect on that parameter.
Thanks,
Bill
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Jian Xu
Sent: Thursday, November 13, 2008 10:16 AM
To: nmusers@globomaxnm.com
Subject: [NMusers] Very small P-Value
: [NMusers] Very small P-Value for ETABAR
Hi Jian,
I would look for a covariate effect on that parameter.
Thanks,
Bill
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Jian Xu
Sent: Thursday, November 13, 2008 10:16 AM
To: nmusers
Sent: Thursday, November 13, 2008 13:19
To: XIA LI; nmusers@globomaxnm.com
Subject: RE: [NMusers] Very small P-Value for ETABAR
Hi Xia,
Just to clarify one thing (I agree with almost everything you said):
The p-value indeed is related to the test of ETABAR=0. However, this is
not a test
November 2008 22:05
To: Ribbing, Jakob; XIA LI; nmusers@globomaxnm.com
Subject: RE: [NMusers] Very small P-Value for ETABAR
Dear All,
Realized etas (EBEs, MAPs) is estimated under the assumption of normal
distribution.
However, the resultant distribution of EBEs may not be normal or mean of
them may
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