[R] factor conversion to date/time

[John Kane]

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_jojo at hotmail.com
> Sent: Wed, 2 May 2012 14:08:26 +0200
> To: r-help at 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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