[R] how to merge panel data stored by variable?

Stefan Grosse singularitaet at gmx.net
Wed Dec 10 17:05:38 CET 2008

> I have two datasets stored in tab-separated format in the following way
> file1:
> country           year1        year2
> Germany        var1          var1
> Hungary         var1          var1
> file2:
> country           year1        year2
> Germany        var2         var2
> Hungary         var2         var2
> I can easily read in these files, but how can I merge them as a panel
> dataset?



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