search for: symmetrizaton

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Did you mean: symmetrization
2006 Nov 20
0
rpart
...ldn't I get simply three times the improve of the case above because? Or is there again any normalisation? If I use matrix(c(0,1,5,0),nrow=2) as loss matrix, I get different values. Shouldn't I get simply the same improve as in the case "matrix(c(0,3,3,0),nrow=2)" because of the symmetrizaton of the loss matrix in case of two classes and the use of the Gini criterion? Thank you very much for your help! Henri -- "Ein Herz f?r Kinder" - Ihre Spende hilft! Aktion: www.deutschlandsegelt.de Unser Dankesch?n: Ihr Name auf dem Segel der 1. deutschen America's Cup-Yacht!