On 07/11/2014 10:21, Vasantha Kumar Kesavan wrote:
I am Sorry for not explained my requirement to you properly.
As you told in Windows I need to update the $R_HOME/share/zoneinfo with the
latest time zone information, since R is not using the operating system
time zone files. Then I have updated the zoneinfo directory, after that it
is working fine for me in the windows.
In the linux platform by default R is using the operating system timezone
files available at "/usr/share/zoneinfo" path. Yesterday my question was is
it there are any way to configure the R to use different path
("/tmp/zoneinfo") instead of "/usr/share/zoneinfo".
Then from the internet I came to know that the TZDIR
Well, it is in the R help file: give credit where it is due!
(TZDIR="/tmp/zoneinfo") environment variable can be used for configure
different time zone path instead of the default path. By setting the TZDIR
environment variable in Linux does the need as I am expected. So my
requirement in Windows and Linux platform are worked out.
Now I like to know, how to do the same in Solaris operating system (when I
am tried with setting TZDIR environment variable as like Linux but no luck).
Go back to the R manuals: the recommendation for recent R on Solaris is
to use the tzcode included in R, for which TZDIR does work.
We can write the help and manuals for you, but it is your responsibility
to do your own homework: see the posting guide.
Thanks
Vasanth
On Fri, Nov 7, 2014 at 2:55 AM, Jeff Newmiller <jdnew...@dcn.davis.ca.us>
wrote:
?timezones
You probably need to recompile R.
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On November 6, 2014 4:10:58 PM EST, Vasantha Kumar Kesavan <
info.vas...@gmail.com> wrote:
In LINUX, I don't want R to use the operating system zoneinfo(Olsen
database) instead of that I like to point different path which has the
latest zoneinfo(latest Olsen database).
On Fri, Nov 7, 2014 at 2:34 AM, Jeff Newmiller
<jdnew...@dcn.davis.ca.us>
wrote:
Working now... after what action?
AFAIK on *NIX systems R uses the OS installation of the Olsen
database, so
on a fresh login R should pick up any OS update you have installed.
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On November 6, 2014 3:36:38 PM EST, Vasantha Kumar Kesavan <
info.vas...@gmail.com> wrote:
Thanks Jeff Newmiller, it is working now.
I would like to know, the same kind of configuration can be done in
Linux
and Solaris platform.
Instead of R is mapping to operating system(/usr/share/.
/usr/share/lib/)
zoneinfo directory.
Thanks
Vasanth
On Fri, Nov 7, 2014 at 1:18 AM, Jeff Newmiller
<jdnew...@dcn.davis.ca.us>
wrote:
R on Windows uses the Olsen timezone database, a copy of which is
stored
with R in the Program Files directory (e.g.
R/R-3.1.1/share/zoneinfo). You
could update the file yourself if you can find a corrected
version,
or
download an updated version of R.
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On November 6, 2014 1:16:06 PM EST, Vasantha Kumar Kesavan <
info.vas...@gmail.com> wrote:
Hi,
I am working R on windows 2012 R2 platform, I have updated the
latest
hotfixes for time zone information(Microsoft KB 2981580.
<http://support.microsoft.com/kb/2981580>).
But still R is not populating correct date time values(Standard
and
Daylight saving).
Could you please advise me, how to enable R to pick up the latest
time
zone
information/configurations.
Example:
R --vanilla
Sys.setenv(TZ = "America/Eirunepe");
dt<-c(seq(as.POSIXct("2013-11-09
20:00:00",tz="America/Eirunepe"),
as.POSIXct("2013-11-10 10:00:00" ,tz="America/Eirunepe"),
by="hour"));
dt
[1] "2013-11-09 20:00:00 AMT" "2013-11-09 21:00:00 AMT"
[3] "2013-11-09 22:00:00 AMT" "2013-11-09 23:00:00 AMT"
[5] "2013-11-10 00:00:00 AMT" "2013-11-10 01:00:00 AMT"
[7] "2013-11-10 02:00:00 AMT" "2013-11-10 03:00:00 AMT"
[9] "2013-11-10 04:00:00 AMT" "2013-11-10 05:00:00 AMT"
[11] "2013-11-10 06:00:00 AMT" "2013-11-10 07:00:00 AMT"
[13] "2013-11-10 08:00:00 AMT" "2013-11-10 09:00:00 AMT"
[15] "2013-11-10 10:00:00 AMT"
For the “*America/Eirunepe*” time zone, the DST ended on Sun
10-Nov-2013 at
12:00:00 A.M. when local clocks were set backward 1 hour.
as per the latest timezone configuration, the date time sequence
should
have "2013-11-09 23:00:00" twice.
Thanks
Vasanth
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1 South Parks Road, Oxford OX1 3TG, UK
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