On Sun, Mar 13, 2011 at 10:00 PM, Raoni Rosa Rodrigues <raonir...@yahoo.com.br> wrote: > Hello R Help, > > I'm working in a project with a software that register date and time data in > serial time format. This format is used by excel, for exemple. In this > format, 40597.3911423958 is 2011/2/23 09:23:15. First part is number os days > since 1900/1/1, and second part is a fraction of a day. >
Try this: > library(chron) > chron(40597.3911423958) [1] (02/24/81 09:23:15) See R News 4/1 and the references there. -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com ______________________________________________ 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.