, 2007 8:50 AM
To: Cody Hamilton
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R] Regulatory Compliance and Validation Issues
On Fri, 17 Aug 2007, Cody Hamilton wrote:
snip
I have a few specific comments/questions that I would like to present to
the R help list.
snip
2. While the document's scope
version of R is to be maintained within the company. Is there any
danger it delaying the updates (say updating R within the company every two
years or so)?
As always, I am speaking for myself and not necessarily for Edwards
Lifesciences.
Regards,
-Cody Hamilton
of bounds
I suspect there may be something wrong with my data.frame (I'm certain there is
nothing wrong with datadist()), but I don't know what. Has anyone experienced
the mistake I seem to be making?
Regards,
Cody Hamilton
Edwards Lifesciences
__
R
Chuck,
Quite right. Thank you.
Regards, -Cody
-Original Message-
From: Chuck Cleland [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 25, 2007 4:33 PM
To: Cody Hamilton
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R] Subscript out of bounds when using datadist() from Design
library
Cody
of the Kruskal-Wallis test for
censored data. This test will give more weight to early differences in the
hazards.
Regards,
-Cody
Cody Hamilton
Edwards Lifesciences
Hi all,
The survivals functions can be tested by the Log-rank test and others, for
example the Gehan-Breslow. The graham breslow
Sandra,
As far as I am aware, you will have to use a parametric model (survreg) if your
survival times are interval-censored.
Regards,
-Cody
Cody Hamilton
Edwards Lifesciences
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Sandra Ellis
Sent
of the Kruskal-Wallis test for
censored data. This test will give more weight to early differences in the
hazards.
Regards,
-Cody
Cody Hamilton
Edwards Lifesciences
Hi all,
The survivals functions can be tested by the Log-rank test and others, for
example the Gehan-Breslow. The graham breslow
