Re: [R] problem with as.POSIXct and daylight savings time

2009-07-19 Thread Gabor Grothendieck
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

Re: [R] problem with as.POSIXct and daylight savings time

2009-07-19 Thread Denis Chabot
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

Re: [R] problem with as.POSIXct and daylight savings time

2009-07-19 Thread spencerg
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

Re: [R] problem with as.POSIXct and daylight savings time

2009-07-19 Thread Denis Chabot
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

Re: [R] problem with as.POSIXct and daylight savings time

2009-07-19 Thread Duncan Murdoch
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

[R] problem with as.POSIXct and daylight savings time

2009-07-19 Thread Denis Chabot
[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 logically, one needs to specify if DST is act

[R] problem with as.POSIXct and daylight savings time

2009-07-19 Thread Denis Chabot
[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 logically, one needs to specify if DST is active o