Perhaps the reshape package?
It's just about impossible to read your data layout. Could you resubmit the
example using dput()?
Thanks
--- On Thu, 2/25/10, AC Del Re de...@wisc.edu wrote:
From: AC Del Re de...@wisc.edu
Subject: [R] reducing data.frame
To: r-help@r-project.org
Received
Hi All,
Is there an easy way to reduce a data.frame to 1 'id' per row while keeping
information from the other rows of that same variable, if applicable? e.g.:
# data
multi[1:15,]
id r n wi wi.tau z k alliance a.rater eml
treatment outcome o.rater german
1 100
2 matches
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