[R] Merge partially duplicated rows

Rnewbie xuancj at yahoo.com
Tue Aug 4 09:50:02 CEST 2009

Thanks very much :handshake:

David Winsemius wrote:
> You might want to look at the ave function. It will calculate a  
> function within IDs and you can assign that as another row in the  
> datafrme before you exclude the duplicates.
> David Winsemius, MD
> Heritage Laboratories
> West Hartford, CT
> ______________________________________________
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

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