[R] Timezone problem with 3.4.2

Dennis Fisher fisher at plessthan.com
Fri Dec 1 03:47:52 CET 2017


Mark

Thanks for pointing this out.  I did a default installation of R.  Does this mean that I need to reinstall from the command line?

Dennis

Dennis Fisher MD
P < (The "P Less Than" Company)
Phone / Fax: 1-866-PLessThan (1-866-753-7784)
www.PLessThan.com <http://www.plessthan.com/>




> On Nov 30, 2017, at 6:42 PM, R. Mark Sharp <rmsharp at me.com> wrote:
> 
> From Peter Dalgaard announcement earlier today.
> 
> 
> CHANGES IN R 3.4.3:
> 
> INSTALLATION on a UNIX-ALIKE:
> 
>   * A workaround has been added for the changes in location of
>     time-zone files in macOS 10.13 'High Sierra' and again in
>     10.13.1, so the default time zone is deduced correctly from the
>     system setting when R is configured with --with-internal-tzcode
>     (the default on macOS).
> 
> R. Mark Sharp, Ph.D.
> Data Scientist and Biomedical Statistical Consultant
> 7526 Meadow Green St.
> San Antonio, TX 78251
> mobile: 210-218-2868
> rmsharp at me.com
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
>> On Nov 30, 2017, at 8:37 PM, Dennis Fisher <fisher at plessthan.com> wrote:
>> 
>> Colleagues
>> 
>> I just installed 3.4.2 on a Mac running High Sierra.
>> 
>> I encountered the following:
>> 
>> R version 3.4.2 (2017-09-28) -- "Short Summer"
>> Copyright (C) 2017 The R Foundation for Statistical Computing
>> Platform: x86_64-apple-darwin15.6.0 (64-bit)
>> 
>> R is free software and comes with ABSOLUTELY NO WARRANTY.
>> You are welcome to redistribute it under certain conditions.
>> Type 'license()' or 'licence()' for distribution details.
>> 
>> Natural language support but running in an English locale
>> 
>> R is a collaborative project with many contributors.
>> Type 'contributors()' for more information and
>> 'citation()' on how to cite R or R packages in publications.
>> 
>> Type 'demo()' for some demos, 'help()' for on-line help, or
>> 'help.start()' for an HTML browser interface to help.
>> Type 'q()' to quit R.
>> 
>>> Sys.Date()
>> [1] "2017-12-01"
>> Warning message:
>> In as.POSIXlt.POSIXct(Sys.time()) :
>> unknown timezone 'zone/tz/2017c.1.0/zoneinfo/America/Los_Angeles'
>> 
>> There is nothing odd about the date/time settings on the computer.
>> 
>> I then tried:
>>> Sys.timezone()
>> [1] NA
>> 
>> Previously, there was not a problem with timezones.
>> 
>> Can I override this?
>> 
>> Any thoughts?
>> 
>> Dennis
>> 
>> Dennis Fisher MD
>> P < (The "P Less Than" Company)
>> Phone / Fax: 1-866-PLessThan (1-866-753-7784)
>> www.PLessThan.com
>> 
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