On Oct 1, 2012, at 9:48 AM, stephenb wrote: > The error is just a misleading error message. loading the data produced > column sdate as >> str(prostate) > $ sdate :Classes 'labelled', 'dates' atomic [1:502] 2778 2820 2933 2999 > 3002 ... > .. ..- attr(*, "format")= symbol ddmmmyy > .. ..- attr(*, "label")= chr "Date on study" > > prostate$sdate <- as.Date(prostate$sdate,origin="1970-01-01") # fixes the > problem and 'describe' runs > > just as a comment: maybe the R dataset should have sdate as a Date class. >
What "R dataset"? From what package? And it's already a "dates"-classed variable. -- David Winsemius, MD Alameda, CA, USA ______________________________________________ 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.
