[R] rpart weight prior

Aurélie Davranche davranche at tourduvalat.org
Sun Jul 8 13:22:08 CEST 2007


Could you please explain the difference between "prior" and "weight" in 
rpart? It seems to be the same. But in this case why including a weight 
option in the latest versions? For an unbalanced sampling what is the 
best to use : weight, prior or the both together?

Thanks a lot.

Aurélie Davranche.

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