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> ----
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> -Original Message-----
> From: David Winsemius [mailto:[EMAIL PROTECTED]
> Sent: Friday, November 21, 2008 12:34 PM
> To: Ravi Varadhan
> Cc: r-help@r-project.org
> Subject: Re: [R] Discrepancy in the regressi
insemius [mailto:[EMAIL PROTECTED]
> Sent: Friday, November 21, 2008 12:34 PM
> To: Ravi Varadhan
> Cc: r-help@r-project.org
> Subject: Re: [R] Discrepancy in the regression coefficients for Cox
> regression - PBC data set
>
> There is a discussion in Appendix D.3 of "Model
People/Faculty/Varadhan.html
-Original Message-
From: David Winsemius [mailto:[EMAIL PROTECTED]
Sent: Friday, November 21, 2008 12:34 PM
To: Ravi Varadhan
Cc: r-help@r-project.org
Subject: Re: [R] Discrepancy in the regression coefficients for Cox
regressio
There is a discussion in Appendix D.3 of "Modeling Survival Data" by
Thereau and Grambsch regarding the differences in the datasets
including the fact that "there was significantly more follow-up for
many patients at the time this dataset was assembled". I do not see a
material difference i
Hi,
When I run the following Cox proportional hazards model on the Mayo clinic's
PBC data set (given in the "survival" package), the regression coefficients
do not agree with the results presented in Table 4.6.3 (p. 195) of Fleming &
Harrington's book.
library(survival)
data(pbc)
ans.cox <-
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