[R] Incorrect DateTime using ISOdatetime in R
julia.somma at gmx.de
Fri Jan 20 15:59:52 CET 2012
I need to transform the DateTime of my GPS data from:
"666.1751" into "yyyy/mm/dd hh:mm:ss"
I have the following code:
d$Date <- ISOdatetime(2009, 1, 1, 0, 0, 0, tz = "GMT")+d$Date*(24*3600)
This gives me: 2010-10-29 04:12:09, which is wrong. It should be 2010-10-29
418.3219 corresponds to: 2010-02-23 07:43:30, but it should be 2010-02-23
However, not always is the difference + 2 h, it's sometimes less or more.
There are a lot of postings here regarding ISOdatetime, but I'm still not
able to solve this . Any ideas or suggestions will be very much appreciated.
PS. I've tried to find the answer in all sorts of R help forums and also in
my R books - no luck so far. Maybe I'm missunderstanding the entire
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