> On Jan 19, 2016, at 7:44 AM, Bert Gunter <bgunter.4...@gmail.com> wrote:
>
> FAQ 7.31 maybe. (Unless special software is used) Only a finite number
> of numbers can be represented exactly on a computer.
Agree that seemed the likely explanation out of the gate. Here's the evidence.
> print( as.numeric(index(a), "%OS3"), digits=20)
[1] 1453137885.2300000191 1453149114.0789999962
--
Best;
>
> Cheers,
> Bert
>
> Bert Gunter
>
> "The trouble with having an open mind is that people keep coming along
> and sticking things into it."
> -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
>
>
> On Mon, Jan 18, 2016 at 6:26 PM, Huzefa Khalil <huzefa.kha...@umich.edu>
> wrote:
>> Try
>>
>> a["2016-01-18 15:31:54.079"]
>>
>> The question though is why R displays the milliseconds as "078", when
>> it is clearly "079"...
>>
>> -h
>>
>>
>>
>> On Mon, Jan 18, 2016 at 8:55 PM, ce <zadi...@excite.com> wrote:
>>> Dear all,
>>>
>>> I have this code :
>>>
>>> library(xts)
>>> a <- structure(c(1,2), class = c("xts", "zoo"), .indexCLASS = c("POSIXct",
>>> "POSIXt"), .indexTZ = "", tclass = c("POSIXct", "POSIXt"), tzone = "",
>>> index = structure(c(1453137885.23,
>>> 1453149114.079), tzone = "", tclass = c("POSIXct", "POSIXt")), .Dim = c(2L,
>>> 1L), .Dimnames = list(NULL, "value"))
>>>
>>> a
>>>
>>> a["2016-01-18 12:24:45.230"]
>>> # value
>>> #2016-01-18 12:24:45 1
>>>
>>> a["2016-01-18 15:31:54.078"]
>>> # value
>>>
>>> Why second line doesn't show the value? Something to do with miliseconds ?
>>> Thanks
>>> CE
>>>
>>> ______________________________________________
>>> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
>>> 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 -- To UNSUBSCRIBE and more, see
>> 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 -- To UNSUBSCRIBE and more, see
> 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.
David Winsemius
Alameda, CA, USA
______________________________________________
R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
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.
