R help - Nov 2009 - reshaping data

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Try this;

with(x, data.frame(Case = rep(Case, (Endyear - Startyear) + 1),
                           Year = unlist(mapply(seq, Startyear, Endyear))))

On Tue, Nov 24, 2009 at 4:14 PM, Joseph Magagnoli <jcm331 at gmail.com>
wrote:
> Hi all,
> I have a dataframe that has one observation per case.
> for example:
>
> Case ? ?Startyear ? ? ?Endyear
> ? A ? ? ? ? ? 1979 ? ? ? ? ? ? ?1989
> ? B ? ? ? ? ? 1950 ? ? ? ? ? ? ?1955
>
> I would like to create a dataframe in which each case has
> multiple observations corresponding to the start and end year
> for example
>
> Case ? ? Year
> ?A ? ? ? ? ?1979
> ?A ? ? ? ? ?1980
> ?A ? ? ? ? ? 1981
> . ? ? ? ? ? ? ? ? ? .
> . ? ? ? ? ? ? ? ? ? .
> . ? ? ? ? ? ? ? ? ? .
> ?A ? ? ? ? ? ?1989
> ?B ? ? ? ? ? ?1950
> ?B ? ? ? ? ? ? 1951
> and so on
>
>
>
> any help would be greatly appreciated.
>
> Joe
>
> ? ? ? ?[[alternative HTML version deleted]]
>
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>


-- 
Henrique Dallazuanna
Curitiba-Paran?-Brasil
25? 25' 40" S 49? 16' 22" O