I think you are using the wrong function. See ?strftime
Try
dataset=c("1/2/1978")
strptime(dataset,"%d/%m/%Y")
John Kane
Kingston ON Canada
> -----Original Message-----
> From: rrast...@gmail.com
> Sent: Fri, 3 Feb 2012 14:34:09 +0100
> To: r-help@r-project.org
> Subject: [R] strftime - Dates from Excel files
>
> Hi
>
> I have many excel files were the Date field was not declared as date,
> so the dates look like this: 1/2/1978
> I know that the format is day/month/year
>
> How can I make R change this to Date format?
>
> If I use strftime, I get wrong dates:
>
> dataset=c("1/2/1978")
>
> strftime(dataset,"%d/%m/%Y")
> "19/02/0001"
>
>
> Thanks in advance.
>
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