[R] transform variables

[Erich Neuwirth]

Have a look at the packages reshape and reshape2
They were written with this type of problems in mind.

On Aug 26, 2013, at 1:04 PM, catalin roibu <catalinroibu at gmail.com> wrote:

> Dear all!
> 
> I have a data frame composed by 13 columns (year, and 12 months). I want to
> transform this data base in another like this
> year month values
> 1901 1
> 1901 2
> 1901 3
> .....
> 1901 12
> 1902  1
> 1902  2
> ....
> 1902  12
> 
> Is there a possibility to succeed that in R?
> 
> Thank you!
> 
> best regards!
> CR
> 
> -- 
> ---
> Catalin-Constantin ROIBU
> Lecturer PhD, Forestry engineer
> Forestry Faculty of Suceava
> Str. Universitatii no. 13, Suceava, 720229, Romania
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> 
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