Aliases: printcp
Keywords: tree
### ** Examples z.auto <- rpart(Mileage ~ Weight, car.test.frame) printcp(z.auto)
Regression tree:
rpart(formula = Mileage ~ Weight, data = car.test.frame)
Variables actually used in tree construction:
[1] Weight
Root node error: 1354.6/60 = 22.576
n= 60
CP nsplit rel error xerror xstd
1 0.595349 0 1.00000 1.05006 0.181675
2 0.134528 1 0.40465 0.53642 0.100187
3 0.012828 2 0.27012 0.38872 0.076246
4 0.010000 3 0.25729 0.37569 0.067616
## Not run: ##D Regression tree: ##D rpart(formula = Mileage ~ Weight, data = car.test.frame) ##D ##D Variables actually used in tree construction: ##D [1] Weight ##D ##D Root node error: 1354.6/60 = 22.576 ##D ##D CP nsplit rel error xerror xstd ##D 1 0.595349 0 1.00000 1.03436 0.178526 ##D 2 0.134528 1 0.40465 0.60508 0.105217 ##D 3 0.012828 2 0.27012 0.45153 0.083330 ##D 4 0.010000 3 0.25729 0.44826 0.076998 ## End(Not run)