[R] Regex in an IF statement?

[Allan Engelhardt]

help("difftime") is probably what you want.

If not, please post a standalone example

Allan

On 23/07/10 15:18, Jim Hargreaves wrote:
> Dear List
>
> I have the POSIX timestamps of two events, A and B respectively. I 
> want an expression that tests if A occurs within 4 weeks of B.
>
> Something like:
>
> if (ts_A "is between" ts_B + 4(weeks) and ts_B - 4) ...
>
> Can probably done by regex but the regex docu for R says nothing about 
> if statements.
>
> Any help greatly appreciated,
>
> Regards,
> Jim Hargreaves
>
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