[R] combining two data frames (different question)

[John Kane]

This depends on the id column. If all the id's are the same and in the exact same order then look at ?cbind. 

If you have different numbers or different ids in the two id columns see ?merge


--- On Tue, 6/17/08, calundergrad <haibinglin at berkeley.edu> wrote:

> From: calundergrad <haibinglin at berkeley.edu>
> Subject: [R]  combining two data frames (different question)
> To: r-help at r-project.org
> Received: Tuesday, June 17, 2008, 6:40 PM
> i have two data frames.  One data frame contains one column
> with the
> identificication number of a geographic place.  The other
> columns are just
> some data about the corresponding geographic place.  The
> other data frame
> also contains one column with the id number of a geographic
> place.  the
> other columns of the second data frame is other data about
> the corresponding
> geographic place.  
> 
> I want to make one data frame which has the id numbers and
> the corresponding
> data from both the first and second data frames.  
> 
> how do you do this?
> -- 
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