[R] time serie : question about date time class

[Laurent Rhelp]

Gabor Grothendieck a écrit :

>zoo is independent of time and date class so it does not restrict your
>choice of index class.  POSIXct supports sub-microsecond accuracy.
>See ?POSIXct .  Simply using the number of microseconds since the
>start of the experiment is another possibility.
>
>On Sat, Feb 6, 2010 at 8:25 AM, Laurent Rhelp <LaurentRHelp at free.fr> wrote:
>  
>
>>Dear R-List,
>>
>> I have the habit of using R for my data processing and I like to use the
>>power of the lattice package. Presently, I have to manage time series. So,
>>in order to work properly I want to discover the zoo package and the related
>>methods (since lattice can work with zoo class). But my physical experiment
>>lasts only one second and my sampling period is equal to 1 microsecond (the
>>date time value is given by the IRIG Card for my data acquisition card). I
>>read the R-News june 2004 about the date time Classes in R and there is no
>>information about allowing for the microseconds. So do you think it is
>>really a good idea to try to use the R time series framework (zoo package
>>for example) with my data ? Or would there be a tip ?
>>
>>Thank you very much
>>
>>Laurent
>>
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>>PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>>and provide commented, minimal, self-contained, reproducible code.
>>
>>    
>>
>
>  
>
Thank you, I will see in details the POSIXct class.