[R] CP in rpart library

[Alberto Cebollada]

Can anyone help me to compute manually de CP cost-parameter in library  
rpart when the command printcp is executed in a Classification tree??
Thank you very much

Alberto Cebollada Solanas
Grupo de Genética de Micobacterias (http://genmico.unizar.es/)
CIBERes - CIBER Enfermedades Respiratorias (http://www.ciberes.org)
Facultad de Medicina - Aulario A
Universidad de Zaragoza
C/ Domingo Miral s/n
CP 50009-Zaragoza, Aragón

alberto en unizar.es
Tel: +34-976-762420
Fax: +34-976-762420