Predict the outcome of a new observation based on k-NN.
# S3 method for knnreg
predict(object, newdata, ...)object of class knnreg.
a data frame or matrix of new observations.
additional arguments.
a numeric vector
This function is a method for the generic function predict for
class knnreg. For the details see knnreg. This is
essentially a copy of predict.ipredknn.