On Jul 13, 2011, at 11:16 AM, Tom La Bone wrote:
No cigar. This is what I get and my session info. Any suggestions?
First think ... try this
sfit <- summary(fit, rmean = "individual")
sfit$table[5]
Hmmm. Second think. I suppose it's also possible that some of my
unsuccessful efforts last evening are having durable effects. In
particular, after reading the code, I tried at one point setting two
options:
options(survfit.rmean = "individual")
options(survfit.print.rmean = "individual")
I hate writing this but since I don't know the causes for our
different results ... Good luck.
--
David.
library(survival)
library(ISwR)
dat.s <- Surv(melanom$days,melanom$status==1)
fit <- survfit(dat.s~1)
print(fit, print.rmean=TRUE)
Call: survfit(formula = dat.s ~ 1)
records n.max n.start events *rmean *se(rmean)
median
205 205 205 57 4125
161 NA
0.95LCL 0.95UCL
NA NA
* restricted mean with upper limit = 5565
sfit <- summary(fit)
sfit$table[5]
median
NA
sessionInfo()
R version 2.13.1 (2011-07-08)
Platform: i386-pc-mingw32/i386 (32-bit)
locale:
[1] LC_COLLATE=English_United States.1252
[2] LC_CTYPE=English_United States.1252
[3] LC_MONETARY=English_United States.1252
[4] LC_NUMERIC=C
[5] LC_TIME=English_United States.1252
attached base packages:
[1] splines stats graphics grDevices utils datasets
methods
[8] base
other attached packages:
[1] ISwR_2.0-5 survival_2.36-9 rj_0.5.5-4
loaded via a namespace (and not attached):
[1] tools_2.13.1
--
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