On Mon, 15 Dec 2003, Wayne Jones wrote: > > Hello there fellow R-users, > > I have received some data which comes in the following format: > > example1<-"200301" > > The first 4 digits correspond to the year and the remaining 2 digits > correspond to the week of the year. > I have tried to convert this to a date by using strptime as follows: > > strptime(example1,format="%Y%U") > > where U (looking up strptime) is the week of the year but it always returns > NA.
That is not a complete date! Which day of the week is it? > example1<-"200301" > strptime(paste(example1, "1", format="%Y%U %d") will work, and you need to do something like that to resolve the ambiguity. Brian -- 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 ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help