Marc: You just need to be more patient -- this is already happening:
http://en.wikipedia.org/wiki/Tidal_acceleration Cheers, Bert Bert Gunter Genentech Nonclinical Biostatistics (650) 467-7374 "Data is not information. Information is not knowledge. And knowledge is certainly not wisdom." Clifford Stoll On Tue, Aug 12, 2014 at 1:10 PM, Marc Schwartz <marc_schwa...@me.com> wrote: > > On Aug 12, 2014, at 2:49 PM, John McKown <john.archie.mck...@gmail.com> wrote: > >> And some people wonder why I absolutely abhor daylight saving time. >> I'm not really fond of leap years and leap seconds either. Somebody >> needs to fix the Earth's rotation and orbit! > > > I have been a longtime proponent of slowing the rotation of the Earth on its > axis, so that we could have longer days to be more productive. > > Unfortunately, so far, my wish has gone unfulfilled...at least as it is > relevant within human lifetimes. > > ;-) > > Regards, > > Marc > > >> >> On Tue, Aug 12, 2014 at 2:14 PM, William Dunlap <wdun...@tibco.com> wrote: >>>> What if I just want the seconds vector without the date, please? Is there >>>> a convenient way to create such a vector, please? >>> >>> Why do you want such a thing? E.g., do you want it to print the time >>> of day without the date? Or are you trying to avoid numeric problems >>> when you do regressions with the seconds-since-1970 numbers around >>> 1414918800? Or is there another problem you want solved? >>> >>> Note that the number of seconds in a day depends on the day and the >>> time zone. In US/Pacific time I get: >>> >>>> length(seq(from=as.POSIXct("2014-08-12 >>> 00:00:00"),to=as.POSIXct("2014-08-12 23:59:59"), by="secs")) >>> [1] 86400 >>>> length(seq(from=as.POSIXct("2014-03-09 >>> 00:00:00"),to=as.POSIXct("2014-03-09 23:59:59"), by="secs")) >>> [1] 82800 >>>> length(seq(from=as.POSIXct("2014-11-02 >>> 00:00:00"),to=as.POSIXct("2014-11-02 23:59:59"), by="secs")) >>> [1] 90000 >>> >>> Bill Dunlap >>> TIBCO Software >>> wdunlap tibco.com >>> >>> >>> On Tue, Aug 12, 2014 at 11:51 AM, Erin Hodgess <erinm.hodg...@gmail.com> >>> wrote: >>>> Hello! >>>> >>>> If I would like to generate a sequence of seconds for a date, I would do >>>> the following: >>>> >>>> x <- seq(from=as.POSIXct(2014-08-12 00:00:00),to=as.POSIXct(2014-08-12 >>>> 23:59:59),by="secs") >>>> >>>> What if I just want the seconds vector without the date, please? Is there >>>> a convenient way to create such a vector, please? >>>> >>>> thanks, >>>> Erin > > ______________________________________________ > 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.