Hi

How about ... ?

library(grid)
# grid.newpage()
grid.text(expression(italic(P[SF]^{""%up%""})))

... or possibly a bit easier to read ...

grid.text(expression(italic(P[SF]^symbol("\255"))))

Paul

salca...@obelix.umh.es wrote:
Hi all,

I need an R expression, expression(....) to get the follows Latex code:
$P^\uparrow_{SF}$.

Imposible, for me!!. Thank you in advance
/salva

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The University of Auckland
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