Thanks for bringing this issue in the book's description of survSplit() to my
attention. It seems the change to the behavior of survSplit() was introduced in
survival version 2.39-2. Up to (including) version 2.38-3, no formula was
required if arguments 'end' and 'event' were specified.
A
(stanFit)
stanFit
-Original Message-
From: Wollschlaeger, Daniel
Sent: Thursday, January 9, 2014 10:44 AM
To: David Winsemius
Cc: r-help@r-project.org
Subject: RE: AW: [R] Linear relative rate / excess relative risk models
Thanks for your suggestions! Here are links to simulated data
event and offset pyears.
Many thanks, D
-Original Message-
From: David Winsemius [mailto:dwinsem...@comcast.net]
Sent: Thursday, January 09, 2014 4:33 AM
To: Wollschlaeger, Daniel
Cc: r-help@r-project.org
Subject: Re: AW: [R] Linear relative rate / excess relative risk models
My question is how I can fit linear relative rate models (= excess relative
risk models, ERR) using R. In radiation epidemiology, ERR models are used to
analyze dose-response relationships for event rate data and have the following
form [1]:
lambda = lambda0(z, alpha) * (1 + ERR(x, beta))
*
Von: David Winsemius [dwinsem...@comcast.net]
Gesendet: Mittwoch, 8. Januar 2014 19:06
An: Wollschlaeger, Daniel
Cc: r-help@r-project.org
Betreff: Re: [R] Linear relative rate / excess relative risk models
I would fit a Poisson model to the dose-response data with offsets
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