Chris,
How large is large? How may columns?
"Duplicate" across all columns of just some?
Henrique gave you simple R answer. Perhaps doing in SQL is more efficient?
eg
SELECT DISTINCT
<stuff>
FROM <somewhere>;
HTH,
Jim Porzak
TGN.com
San Francisco, CA
www.linkedin.com/in/jimporzak
use R! Group SF: www.meetup.com/R-Users/
On Fri, Jun 5, 2009 at 9:38 AM, Chris Anderson <chris6...@netzero.net>wrote:
> I have a large dataset that contain duplicate records. How do I identify
> and remove duplicate records?
>
>
> Chris Anderson
> 707.315.8486
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