I deal with non-daylight-savings time data all the time using Windows with its
system time set to daylight time. Sys.setenv(TZ="Etc/GMT+4") sets the zone for
the R process only and does not affect the system time settings. Using this
method lets me handle data from all around the world, with or
There have been a couple of threads recently on proper usage of POSIXct. I
suggest you read the archives.
After you read the archives: In your case, you don't seem to have zone offset
data in your time info, so you probably need to use Sys.setenv to set an
appropriate default time zone. The NA
2:23 AM
Subject: Re: [R] POSIXct bug for conversion of specific combinations of date
andtime
HI,
Couldn't reproduce the problem. I am using R 3.0.1.
time$convert<-as.POSIXct(paste(time[,1],time[,2]),format="%Y/%m/%d %H:%M:%S")
time
date hour c
yr_1.8 tools_3.0.1
- Original Message -
From: Carlos André Zucco
To: r-help@r-project.org
Cc:
Sent: Sunday, August 25, 2013 2:21 PM
Subject: [R] POSIXct bug for conversion of specific combinations of date and
time
Hello everyone,
I'm having a big trouble with which seems to be
Hello everyone,
I'm having a big trouble with which seems to be a bug in as.POSIXct()
date-time conversion. I have massive GPS datasets in which each location
has it's own date and time attribute. As I convert them to POSIXct format,
1300 cases (of about half a million locations) simply return NA
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