[R] Using "Compare" While Excluding Certain Columns

David Winsemius dwinsemius at comcast.net
Fri Mar 23 02:58:10 CET 2012

On Mar 22, 2012, at 1:29 PM, Edgar Alminar wrote:

> Hello All,
> Is it possible to use compare (or something like it) and exclude  
> certain columns in the csv's being compared? I have tried a bunch of  
> different things and done some research, but couldn't find anything  
> or get it to work.

You will need to do a better job of explaining what "get it to work"  
means. Exclusion of columns is trivial, but the verb _compare_ is  
exceptionally vague and admitting of many possible interpretations.

> Any help would be greatly appreciated.

That's what we should be saying.

> Thanks!
> Edgar Alminar
> Clinical Operations
> Alzheimer's Disease Cooperative Study
> University of California, San Diego


David Winsemius, MD
West Hartford, CT

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