[R] merge two data sets

[kayj]

since they are not in data1 , I do not want them to be in the merge result.



Moshe Olshansky-2 wrote:
> 
> Where do you want to place ID's which are in data2 but NOT in data1?
> 
> 
> --- On Wed, 4/6/08, kayj <kjaja27 at yahoo.com> wrote:
> 
>> From: kayj <kjaja27 at yahoo.com>
>> Subject: [R]  merge two data sets
>> To: r-help at r-project.org
>> Received: Wednesday, 4 June, 2008, 9:45 AM
>> I would like to merge “data1 “that contains 100 unique
>> ID’s with  another
>> data set “data 2” with 150 ID’s and the age of those
>> individuals ( the ID in
>> data1 is a subset of the ID in data 2) I  would like to
>> merge these data1
>> with data2 and have the result of the merge to have the ID
>> ordered as in
>> data1.
>> 
>> Can this be done in R?
>> 
>> 
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>> reproducible code.
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> 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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