Try something like this. Convert the vector to character and grab the first 10
characters then convert to a date.
aa <- as.factor("1981-01-02T08:00I")
aa <- as.character(aa)
aa <- substr(aa, 1, 10)
class(b)
John Kane
Kingston ON Canada
> -----Original Message-----
> From: mayo_j...@hotmail.com
> Sent: Wed, 2 May 2012 14:08:26 +0200
> To: r-help@r-project.org
> Subject: [R] factor conversion to date/time
>
> Hi, I've been trying to convert numbers from an online temperature
> database
> into dates and time that R recognizes. I've tried as.Date, as.POSIXlt and
> strptime the problem is that the database has put a T between the
> numbers and R will not accept any conversions. currently it sees the date
> as a factor with the format as 1981-01-02T08:00I would like to keep only
> the year and month, but my primary focus is to get R to recognize it as a
> date.
>
> Thank you for your help. cheers,Marjolein
> [[alternative HTML version deleted]]
>
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