summary.rpart.Rd
Returns a detailed listing of a fitted rpart
object.
# S3 method for rpart summary(object, cp = 0, digits = getOption("digits"), file, ...)
object | fitted model object of class |
---|---|
digits | Number of significant digits to be used in the result. |
cp | trim nodes with a complexity of less than |
file | write the output to a given file name. (Full listings of a tree are often quite long). |
... | arguments to be passed to or from other methods. |
This function is a method for the generic function summary for class
"rpart"
. It can be invoked by calling summary
for an object of the appropriate class, or directly by calling
summary.rpart
regardless of the class of the object.
It prints the call, the table shown by printcp
, the
variable importance (summing to 100) and details for each node (the
details depending on the type of tree).
#> Error in is.data.frame(data): object 'car.test.frame' not foundsummary(z.auto)#> Error in summary(z.auto): object 'z.auto' not found## a classification tree with multiple variables and surrogate splits. summary(rpart(Kyphosis ~ Age + Number + Start, data = kyphosis))#> Error in is.data.frame(data): object 'kyphosis' not found