besoin d'aide

In S-Plus, and presumably also in R, the execution of merge() with large 
data.frames is slow.  When speed becomes an issue, my colleagues use 
other language to handle this kind of operation with large data sets.

Hope this helps,
Spencer Graves

J'aimerais savoir si la fonction merge() est la seule disponible pour concatener des tableaux de donn?es?
Est-ce normal que l'ex?cution soit lente?

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