Dear Augustin: What are the duplicated times? Looks they really do occur twice
or more in your original data: perhaps two stamps less time apart than the
resolution of your clock?
delme[duplicated(delme)]
aur2009[[duplicated(delme),1]
On 18 May 2011, at 8:49 AM, Agustin Lobo wrote:
> and is it
and is it not possible to ignore savings time? My data are in UTC,
with no savings time changes
> delme = strptime(aur2009[,1], "%m/%d/%Y %H:%M",tz="UTC")
> any(duplicated(delme))
[1] TRUE
> delme = as.POSIXct(aur2009[,1], "%m/%d/%Y %H:%M",tz="UTC")
> any(duplicated(delme))
[1] TRUE
Agus
On Wed,
See under "Note" in ?strptime:
Remember that in most timezones some times do not occur and some
occur twice because of transitions to/from summer time.
âstrptimeâ does not validate such times (it does not assume a
specific timezone), but conversion by âas.POSIXctâ) will d
I have a problem with duplicated date_time stamps that I do not see as
duplicated.
I read a file with observations taken every 30 minutes:
> aur2009=read.csv(paste(datadir,"AUR_ECPP_2009.csv",sep="/"),sep=";",stringsAsFactors=F)
> aur2009[1:3,1:5]
Date.Time E_filled E_filled_flag LE_filled
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