Displaying 4 results from an estimated 4 matches for "bladder2".
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bladder
2012 Oct 06
2
Expected number of events, Andersen-Gill model fit via coxph in package survival
...le that illustrates the situation. At the end I
include the sessionInfo().
Thank you!
Omar.
############################
# Example of unexpected behavior in computing estimated number of events
# in using package "survival" for fitting the Andersen-Gill model
require(survival)
head(bladder2) # this is the data, in interval format
# Fit Andersen-Gill model
cphfit = coxph(Surv(start,stop,event)~rx+number+size+cluster(id),data=bladder2)
# Choose some arbitrary time horizons
t.horiz = seq(min(bladder2$start),max(bladder2$stop),length=6)
# Compute the cohort expected survival
s = surve...
2018 Apr 16
1
strange warning: data() error?
...ared by many other datasets even those in the canonical 'datasets' package.
> survival_Rdata <- readRDS("/Library/Frameworks/R.framework/Versions/3.4/Resources/library/survival/data/Rdata.rds")
> survival_Rdata
$bladder
[1] "bladder" "bladder1" "bladder2"
$cancer
[1] "cancer"
$cgd
[1] "cgd" "cgd0"
$colon
[1] "colon"
$flchain
[1] "flchain"
$genfan
[1] "genfan"
$heart
[1] "heart" "jasa" "jasa1"
------- snip ----
data(bladder2)
# Warning message:
#...
2009 Apr 20
1
bladder1 dataset in survival library
Hello,
In package survival should be a dataset bladder1.
http://stat.ethz.ch/R-manual/R-devel/library/survival/html/bladder.html
I can not open it (not found).
Both bladder and bladder2 are there.
Thanks,
Petra
2018 Apr 16
3
strange warning: data() error?
A user asked me about this and I can't figure it out.
tmt% R
R Under development (unstable) (2018-04-09 r74565) -- "Unsuffered Consequences"
Copyright (C) 2018 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)
> library(survival)
> data(cgd0)
Warning message:
In data(cgd0) : data set ?cgd0? not found
----
The data set is present and can be