Apparently this was Surv from package Design. So the bug is in contributed package Design, and nothing to do with R-bugs.
On Wed, 12 Dec 2007, Peter Dalgaard wrote: > [EMAIL PROTECTED] wrote: >> Your example is not reproducible without 'library(survival)'. >> When I include that, I get >> >> >>> head(D,20) >>> >> stime status surv >> 1 176 TRUE 176 >> ... >> >> Objects of class "Surv" are from the contributed package survival, and you >> need that attached to deal with them properly. >> >> >> > ... but even if you detach it, you do not get the symptoms shown: > >> head(D,5) > stime status surv.time surv.status > 1 176 TRUE 176 1 > 2 67 TRUE 67 1 > 3 432 TRUE 432 1 > 4 77 TRUE 77 1 > 5 275 TRUE 275 1 > > >> On Wed, 12 Dec 2007, [EMAIL PROTECTED] wrote: >> >> >>> Full_Name: Edward McNeil >>> Version: 2.6.1 >>> OS: Windows >>> Submission from: (NULL) (203.170.234.5) >>> >>> >>> I want to show students how the survival object looks like in R. >>> Reproducible example: >>> >>> library(MASS) >>> data(Aids2) >>> attach(Aids2) >>> status <- status=="D" >>> stime <- death-diag >>> surv <- Surv(stime, status) >>> D <- data.frame(stime, status, surv) >>> head(D,20) >>> stime status x..i.. >>> 1 176 TRUE 176 >>> 2 67 TRUE 67 >>> 3 432 TRUE 432 >>> 4 77 TRUE 77 >>> 5 275 TRUE 275 >>> 6 373 TRUE 373 >>> 7 389 TRUE 389 >>> 8 1027 TRUE 1027 >>> 9 492 TRUE 492 >>> 10 434 TRUE 434 >>> 11 16 TRUE 16 >>> 12 308 TRUE 308 >>> 13 92 TRUE 92 >>> 14 265 TRUE 265 >>> 15 1052 FALSE 1052+ >>> 16 132 TRUE 132 >>> 17 527 TRUE 527 >>> 18 581 FALSE 581+ >>> 19 511 FALSE 511+ >>> 20 151 TRUE 151 >>> >>> detach(Aids2) >>> >>> The 'surv' column is strangely labelled 'x..i..'. -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel