Re: [R] Aggregate by First case

From: Karl Ove Hufthammer <>
Date: Fri, 30 May 2008 09:49:46 +0200

Dimitris Rizopoulos:

> dat[!duplicated(dat$Id), ]

Very elegant. I didn't know about 'duplicated()' before now. Seems like a very useful function.

Karl Ove Hufthammer

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Received on Fri 30 May 2008 - 08:16:46 GMT

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