[R] How to convert SPSS date data to dates?

[Chuck Cleland]

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
> 
> ______________________________________________
> R-help at stat.math.ethz.ch 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