try this:
transform(stack(DF, select = -level), values = DF$level)
On Thu, Jul 9, 2009 at 10:30 PM, roachyang <
roachyang@...> wrote:
--
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O
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