[R] rbind with different columns

Ista Zahn istazahn at gmail.com
Tue Oct 20 16:14:49 CEST 2009

Nice! I was going to recommend

merge(merge(myList[[1]], myList[[2]], all=TRUE, sort=FALSE),
myList[[3]], all=TRUE, sort=FALSE)

but rbind.fill is better.


On Tue, Oct 20, 2009 at 10:05 AM, Karl Ove Hufthammer <karl at huftis.org> wrote:
> In article <4ADDC1D0.2040506 at yahoo.de>, niederlein-rstat at yahoo.de
> says...
>> In every list entry is a data.frame but the columns are only partially
>> the same. If I have exactly the same columns, I could do the following
>> command to combine my data:
>> do.call("rbind", myList)
>> but of course it does not work with differnt column names. Is there any
>> easy way to retrieve a combined table like this:
> You're in luck. 'rbind.fill' in the 'plyr' package does exactly what you
> want.
> --
> Karl Ove Hufthammer
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Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology

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