Does this do what you want? sasf <- c('31.12.1959','1.1.1960','1.2.1960') dt <- as.Date(sasf, format='%d.%m.%Y') -Don
-- Don MacQueen Lawrence Livermore National Laboratory 7000 East Ave., L-627 Livermore, CA 94550 925-423-1062 On 1/27/12 7:45 AM, "Fischer, Felix" <felix.fisc...@charite.de> wrote: >Hi everybody, > >i have a csv-file, containing dates in an akward sas format, where >31.12.1559 is -1, 1.1.1960 is 1, 2.1.1960 is 2 and so on (see >http://www.sfu.ca/sasdoc/sashtml/lrcon/zenid-63.htm ). Is there any >function in R to convert this into YYYY-M-D easily? > >Best, >Felix > >Dr. rer. nat. Dipl.-Psych. Felix Fischer >Institut für Sozialmedizin, Epidemiologie und Gesundheitsökonomie >Charité - Universitätsmedizin Berlin >Luisenstrasse 57 >10117 Berlin > >Tel: 030 450 529 104 >Fax: 030 450 529 902 >http://epidemiologie.charite.de<http://epidemiologie.charite.de/> > > > [[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.