If the file represents a time series then you might want to look
at the zoo package. See read.zoo, in particular and
?strptime and R News 4/1 for the % codes and other
date/time info. Also ?lag.zoo
On Sun, Jan 11, 2009 at 12:22 AM, Heston Capital
<hestoncapi...@gmail.com> wrote:
> I am new to R and am trying to import a text file that contains
> date/time and various fields. I want to sort this matrix by date and
> also perform calculations on the date field (difference between two
> dates etc).
>
> The format of the string looks as follows:
>
> x<-c("25/2/2003 0:00:00")
>
> I tried:
>
> as.Date(x,format='%d/%m/%y')
> [1] "2020-02-25"
>
> Obviously I am doing something wrong here. I would like to remove the
> hh:mm:ss from the end of the string if possible.
>
> Thanks for your help, I have been searching for hours and not getting
> anywhere.
>
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
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