Procedure 3: Recalling a rpart() Decision Tree

As with regression and most of the predictive analytics tools presented in this document, the predict() function can take the RegressionTree object in conjunction with a data frame, then return the predictions. To create predictions using the RegressionTree model and the FDX dataset:

RegressionTreePredictions <- predict(RegressionTree,FDX)

Run the line of script to console:

Merge the newly created vector into the FDX data frame for completeness:

library(dplyr)
FDX <- mutate(FDX, RegressionTreePredictions)

Run the block of script to console: