On 09.04.2012 07:16, arunkumar1111 wrote:> HI
>
> I want to create a dummy variable for a dataset which has various dates Eg
> I've one year data. The user can choose any date range
>
> startdate : 2012-01-01
> enddate: 2012-02-01
dummy <- date >= startdate & date <= enddate
Uwe Ligges
> startdate: 2012-06-01
> enddate=2012-07-01
>
> the columns of dataset= X ,Y ,date
>
>
> Thanks and re
>
> -----
> Thanks in Advance
> Arun
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