[R] How to manipulate the time data without the date?
jrkrideau at yahoo.ca
Thu Nov 6 19:06:30 CET 2008
Does this help?
mytimes <- times(tms)
--- On Thu, 11/6/08, tedzzx <zengzhenxing at gmail.com> wrote:
> From: tedzzx <zengzhenxing at gmail.com>
> Subject: [R] How to manipulate the time data without the date?
> To: r-help at r-project.org
> Received: Thursday, November 6, 2008, 12:10 PM
> I only got the time data such as:
> I want to manipulate this time series data. For example,
> plus one second(or
> minute) or minus one second
> This data only has the time(h:m:s), without the date. I
> know that there are
> chron package, ISOPix class and the timeDate class, but all
> these class need
> the input of date.
> How can we manipulate the time data without the date?
> Thanks advance
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