Here is one way: library(chron)
as.chron(ISOdate(1582, 10, 14) + mydata$SPSSDATE) Jonathan Williams wrote: > Dear R Helpers, > > I have imported an SPSS file that contains date data. > The data appear in R in a numeric format, as follows: > > 10485849600 10477641600 10561104000 10562745600 etc. > > I'd be extremely grateful if someone could tell me > how to make these numbers into comprehensible dates! > > Thanks, > > Jonathan Williams > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 452-1424 (M, W, F) fax: (917) 438-0894 ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
