[R] union of two data frames

[Erik Iverson]

You probably need to provide an example here, show us your data.frame 
column names, and what you mean by 'common subset of the same data' at 
least.  What did you try and what did it do that you didn't expect?

stephen sefick wrote:
> I have a thirty thousand row data frame imported from excel and a
> 60,000 row data frame imported from excel.  they share a common subset
> of the same data and I would like to combine the two into one data
> frame merged together on the data in common.  I have looked at the
> help file for merge and intersect and cbind and rbind etc... And I
> can't figure it out.  Thanks in advance
> 
> Stephen
>