Excellent! Thank you for your help.
-----Original Message-----
From: Therneau, Terry M., Ph.D. [mailto:thern...@mayo.edu]
Sent: Monday, 17 March 2014 11:15 PM
To: Lucy Leigh; r-help@R-project.org
Cc: David Winsemius
Subject: Re: survfit question - Q1 and Q3 survival time?
Try help("quantile.survfit")
Terry Therneau
----------- begin included message ------- Hello,
I am using the function survfit in the 'survival' package. Calling the function
produces the median survival time automatically, as below.
sleepfit <- survfit(Surv(timeb, death)~1)
> sleepfit
Call: survfit(formula = Surv(timeb, death) ~ 1)
records n.max n.start events median 0.95LCL 0.95UCL
10761.0 10761.0 10761.0 5289.0 15.5 15.5 15.5
I was wondering, is it possible to also output the quartiles Q1 and Q3 survival
times?
Regards,
Lucy
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