Martin,

Thank you for your comments.

Joe


Martin Maechler wrote:
>>>>>> "Joe" == Joe Byers <joe-byers@utulsa.edu>
>>>>>>     on Sun, 05 Nov 2006 08:23:46 -0600 writes:
>>>>>>             
>
>     Joe> Gabor, Thank you very much.  That is a wonderful
>     Joe> article and will help very much.  Might I ask which
>     Joe> date schema do you prefer?
>
> The only scheme that is part of "standard R" is the "POSIX"
> based one which (conceptually) *includes* the "Date" class.
> Use the "Date" class [i.e. first use  as.Date() ] unless you
> need times in addition to dates, where I'd recommend you
> consider 'POSIX' ...
>
> BTW: there is no 'Date' package [at least not in an official
>      place] as you claim below.
>   
This is correct, my miss-statement and oversight.
> Martin
>
>     Joe> Thank you Joe
>
>
>     Joe> Gabor Grothendieck wrote:
>     >> See the help desk article in R News 4/1 for a discussion
>     >> on how to choose.
>     >> 
>     >> On 11/5/06, Joe W. Byers <Joe-Byers@utulsa.edu> wrote:
>     >>> I have been working with R extensively for several
>     >>> months.  I switched from SAS and Matlab to R.  My
>     >>> question is
>     >>> 
>     >>> Can anyone explain the benefits and detractions of the
>     >>> 'Date' package verses the 'date' package and verses
>     >>> 'POSIX' dates.
>     >>> 
>     >>> I have noticed several other packages use one or the
>     >>> other.  Rmetrics seems to standardize on POSIX.  I can
>     >>> only see differences in default formats, and the
>     >>> starting counting number be it 1 1 1900 or something
>     >>> else.
>     >>> 
>     >>> I am trying to standardize code that I write for
>     >>> research and to provide to my students on one date
>     >>> schema.  The documentation is very good on using a
>     >>> specific package, but I can not tell the which one
>     >>> provides the broadest coverage across R packages or is
>     >>> just the better one to use.
>     >>> 
>     >>> I know all of you have more experience with some of
>     >>> these and I am just soliciting your opinions and
>     >>> comments.
>     >>> 
>     >>> Thank you Joe
>     >>> 
>     >>> ______________________________________________
>     >>> R-help@stat.math.ethz.ch 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.
>     >>> 
>     Joe> ______________________________________________
>     Joe> R-help@stat.math.ethz.ch mailing list
>     Joe> https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do
>     Joe> read the posting guide
>     Joe> http://www.R-project.org/posting-guide.html and provide
>     Joe> commented, minimal, self-contained, reproducible code.
>   

	[[alternative HTML version deleted]]

