halo david
when I use type= 'interval' Call: survfit(formula = Surv(ingreso, fecha, estado, type = "interval") ~ categoria) categoria=C time n.risk n.event survival std.err lower 95% CI upper 95% CI 2004 95.00 13.14 0.862 0.0354 0.795 0.934 2007 31.86 7.19 0.667 0.0695 0.544 0.818 2008 1.67 1.67 0.000 NaN NA NA categoria=E time n.risk n.event survival std.err lower 95% CI upper 95% CI 2004 112.0 18.47 0.835 0.0351 0.769 0.907 2005 40.5 1.06 0.813 0.0401 0.738 0.896 2007 37.5 7.46 0.651 0.0620 0.540 0.785 and when I use just Call: survfit(formula = Surv(ingreso, fecha, estado) ~ categoria) categoria=C time n.risk n.event entered censored survival std.err lower 95% CI upper 95% CI 2006 63 5 0 23 0.921 0.0341 0.856 0.990 2007 35 2 30 1 0.868 0.0483 0.778 0.968 2008 62 5 1 3 0.798 0.0536 0.700 0.910 2009 55 4 0 5 0.740 0.0570 0.636 0.861 2010 46 5 0 41 0.660 0.0611 0.550 0.791 categoria=E time n.risk n.event entered censored survival std.err lower 95% CI upper 95% CI 2005 71 7 3 0 0.901 0.0354 0.835 0.973 2006 67 2 0 22 0.875 0.0391 0.801 0.955 2007 43 1 36 1 0.854 0.0432 0.774 0.943 2008 77 5 0 8 0.799 0.0469 0.712 0.896 2009 64 4 1 3 0.749 0.0502 0.657 0.854 2010 58 7 0 51 0.658 0.0545 0.560 0.774 and I don t know why when I use type = "interval" it does not survival calculed for very year regards ________________________________ De: Daniel Malter <dan...@umd.edu> Para: r-help@r-project.org Enviado: martes 27 de septiembre de 2011 7:06 Asunto: Re: [R] survival analysis: interval censored data Please adhere to the posting guide (i.e., provide a sample of self contained code and provide the error message). And what does "but it is not working" mean? Is there an error code? rueu wrote: > > hello: > my data looks like: > time1 time2 event catagoria > > 2004 2006 1 C > 2004 2005 0 C > > 2005 2010 1 E > > 2007 2009 1 C > > 2006 2007 0 E > > 2008 2010 0 C > > 2008 2010 1 E > ... > > > and the census interval is 1 year > > I have tried this > > surara<-survfit(Surv(time1,time2,event,type="interval")~categoria) > > but it is not working > [[alternative HTML version deleted]] > > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > -- View this message in context: http://r.789695.n4.nabble.com/survival-analysis-interval-censored-data-tp3845269p3846205.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. [[alternative HTML version deleted]]
______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
