There is no class for times only in R. Your best bet is probably a
difftime, e.g.
time <- difftime(posix.date, as.Date(posix.date), units="secs")
Allan.
christiaan pauw wrote:
Hi everybody. I have a dataframe that contains a factor with the date
information in the format like in the example below:
"2009/05/12 11:22:31 AM"
I have been able to convert it to POSIXt using strptime
Now I want to print only the date as one vector and the time in another
vector but they must be real date and time classes so that i can use them in
calculations
to reconstruct my situation:
date=as.factor("2009/05/12 11:22:31 AM")
posix.date=strptime(date, "%Y/%m/%d %I:%M:%S %p")
I tried:
time=format(posix.date, "%A %H:%M") # For weekday, hour and minute
but the class in character. Now it prints like i want but it cannot be used
in calculations.
I would appreciate any suggestions
Thanks in advance
Christiaan
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