>From the help page of Surv: "Although unusual, the event indicator can be omitted, in which case all subjects are assumed to have an event."
That means, you can use coxph that way, _but_ it depends on your model. Do you really want to model the time on study regardless of the kind of event? Greetings, Heinz Tüchler At 12:22 11.07.2006 +0200, [EMAIL PROTECTED] wrote: > > >Dear all, > > > >My question is: > >In the Surv object you have two arguments, "time" and "event". I have >two events, namely withdrawn and success. >I use no event or status argument in "Surv" because all my objects "die" >in my data set. > >Does coxph function calculate the coefficients correctly when you put no >"event" argument into the Surv object? > >Thus: > >Coxph(Surv(duration)~covariates,data=data) duration=duration of the deal > >Duration: is the time till one subject fails or succeed in my research. > >Can somebody help me? > > >Best regards, > > >Sharon Mazurel > > >----------------------------------------------------------------- >ATTENTION: >The information in this electronic mail message is private and >confidential, and only intended for the addressee. Should you >receive this message by mistake, you are hereby notified that >any disclosure, reproduction, distribution or use of this >message is strictly prohibited. Please inform the sender by >reply transmission and delete the message without copying or >opening it. > >Messages and attachments are scanned for all viruses known. >If this message contains password-protected attachments, the >files have NOT been scanned for viruses by the ING mail domain. >Always scan attachments before opening them. >----------------------------------------------------------------- > > > [[alternative HTML version deleted]] > >______________________________________________ >R-help@stat.math.ethz.ch mailing list >https://stat.ethz.ch/mailman/listinfo/r-help >PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html