rpart.predict

0th

Percentile

Extended version of predict.rpart

Identical to predict.rpart but optionally show the node numbers and rules for the predicted values.

Usage
rpart.predict(object, newdata,
         type = c("vector", "prob", "class", "matrix"),
         na.action = na.pass,
         nn=FALSE, rules=FALSE, ...)
Arguments
object, newdata, type, na.action

Identical to the same arguments for predict.rpart. If both nn and rules are FALSE, the returned value is identical to predict.rpart.

nn

If TRUE, return a data.frame with the predictions as usual but with an extra column showing the leaf node number for each prediction.

rules

If TRUE, return a data.frame with the predictions as usual but with an extra column showing the rpart rule (as a string) for each prediction. It may be helpful to use options(width=1000) before printing this data.frame.

...

Passed on to rpart.rules, for example clip.facs=TRUE.

Value

Same as predict.rpart, but with additional information if nn=TRUE and/or rules=TRUE.

See Also

predict.rpart rpart.rules

Aliases
  • rpart.predict
Examples
# NOT RUN {
data(ptitanic)
model <- rpart(survived ~ ., data = ptitanic, cp = .02)
head(rpart.predict(model, rules=TRUE))
# }
Documentation reproduced from package rpart.plot, version 3.0.8, License: GPL-3

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