[R] tree.control

[morganho@mail.telepac.pt]

Hi.
     I'm trying to get a tree, that fits all the lines of the training set ( a tree with no error in classification)

 data(iris)
 tree.control(150,mindev=3D-1,minsize=3D2)
 ir.tr <- tree(Species ~., iris)
 ir.tr
 summary(ir.tr)

     I'm trying to use this as a test, but it still have some examples  that are classified wrongly...
     Anyone could tell me what's the problem?

     Thanks


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