[R] calculating age from year of birth and date?

[Dimitri Liakhovitski]

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 at 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]]
>
>
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-- 
Dimitri Liakhovitski
Ninah.com
Dimitri.Liakhovitski at ninah.com