circe hotmail.com> writes:
>
> Hi, when I type in these words:
>
> > a=c("2011-06-01 17:21:24.83", "2011-06-01 17:21:24.283")
> > as.POSIXct(a)
>
> the real output is:
>[1] "2011-06-01 17:21:24.830 CST" "2011-06-01 17:21:24.283 CST"
>
> rather than the expected one:
>[1] "2011-06-01 1
On Mon, Jul 20, 2009 at 5:16 AM, Denis Chabot wrote:
> Hi,
>
> if you look at my example in recent thread "Rép : [R] problem with
> as.POSIXct and daylight savings time", it appears that tz argument is used
> by as.POSIX.ct
>
> Denis Chabot
> Le 09-07-20 à 00:00, Remko Duursma a écrit :
>
>>> as.PO
Hi,
if you look at my example in recent thread "Rép : [R] problem with
as.POSIXct and daylight savings time", it appears that tz argument is
used by as.POSIX.ct
Denis Chabot
Le 09-07-20 à 00:00, Remko Duursma a écrit :
as.POSIXct.dates does not make use of tz:
Ok, but it is supposed to,
> as.POSIXct.dates does not make use of tz:
Ok, but it is supposed to, right? Or maybe the documentation can be
updated, because ?as.POSIXct does seem to imply the timezone is used
(as it is for other methods of as.POSIXct).
thanks,
Remko
-
Remk
as.POSIXct.dates does not make use of tz:
> as.POSIXct.dates
function (x, ...)
{
if (inherits(x, "dates")) {
z <- attr(x, "origin")
x <- as.numeric(x) * 86400
if (length(z) == 3L && is.numeric(z))
x <- x + as.numeric(ISOdate(z[3L], z[1L], z[2L],
as.chron.POSIXt has an offset= argument and it may be
a vector:
> args(chron:::as.chron.POSIXt)
function (x, offset = 0, tz = "GMT", ...)
On Sun, Jul 19, 2009 at 9:10 AM, Denis Chabot wrote:
> [was " [R] end of daylight saving time"]
>
> Hi,
>
> I got no reply with the previous subject line, pro
Thanks for the suggestion, Spencer. I will take a look and will report
to the list if I find this a better solution for my situation. Might
take a couple of days though.
Denis
Le 09-07-19 à 12:42, spencerg a écrit :
Have you considered the "timeDate" package?
Spencer
Denis Chabot wrote
Have you considered the "timeDate" package?
Spencer
Denis Chabot wrote:
Thank you very much Duncan.
I'll follow your suggestion.
Why do I want to do what the designer did not think anyone would want
to do? I have data acquisition equipment taking measurements every 15
min or so for d
Thank you very much Duncan.
I'll follow your suggestion.
Why do I want to do what the designer did not think anyone would want
to do? I have data acquisition equipment taking measurements every 15
min or so for days at a time, and I need to compile all such
experiments in a master data set
On 19/07/2009 11:23 AM, Denis Chabot wrote:
[was " [R] end of daylight saving time"]
Hi,
I got no reply with the previous subject line, probably a bad choice
of subject on my part, so here it is again.
I read from the help on DateTimeClasses and various posts on this list
that, quite
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