Hi,

well...when imported to R (from xls file) it transform to number
print(D1)
   [1] 39804 39527 39917 39860 39489
???
but in xls is dd/mm/yyyy

and year of birth is as yy
those born after 1999 are removed


Dana 21. travnja 2010. 15:52 Dimitri Liakhovitski <ld7631@gmail.com> je
napisao/la:

> In what format are you dates?
> Are they always like this: two digits for day, then one or two digits
> for month, and four digits for the year?
> Also - are any of your people born after 1999?
>
> Dimitri
>
>
> 2010/4/21 Vlatka Matković Puljić <vlatka.m@gmail.com>:
> > Hi,
> >
> > I have v1 (date of test) and v2 (year of birth).
> >  v1             v2
> > 15.5.2008   88
> > 18.6.2009    54
> >
> > I want R to use only year in v1; and v2 see as 1988 and calculate age in
> v3.
> > any ideas how to do that?
> >
> > --
> > **************************
> > Vlatka Matković Puljić
> > 095/8618 171
> >
> >        [[alternative HTML version deleted]]
> >
> >
> > ______________________________________________
> > R-help@r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
> >
> >
>
>
>
> --
> Dimitri Liakhovitski
> Ninah.com
> Dimitri.Liakhovitski@ninah.com
>



-- 
**************************
Vlatka Matkovic Puljic
095/8618 171

	[[alternative HTML version deleted]]

