Perhaps you should be using the chron package. It has no time zones in the first place.
On Mon, May 10, 2010 at 2:26 PM, Garrett Grolemund <g...@rice.edu> wrote: > I'm searching for an r command that will notify me if I create a time that > does not exist due to Daylight Savings Time. For example, if I run the > following command on a windows machine > >> ISOdatetime(2010,03,14,2,10,0, tz = "") # My system time is set to the > United States Central Time Zone > [1] NA > > R returns NA, which is the behavior I want. However, if I run the same > command on a mac, R returns a POSIXct object and I have to examine the > object manually to notice that I had tried to create an impossible time. > > ISOdatetime(2010,03,14,2,10,0, tz = "") > [1] "2010-03-14 01:10:00 CST" > > Is there a method of creating time objects in R that will always return NA > for non-existant times, no matter the operating system? > > Thank you sincerely, > Garrett > > [[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. > ______________________________________________ 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.
