knn.reg
returns an object of class
"knnReg"
or "knnRegCV"
if test
data is not supplied.
The returnedobject is a list containing at least the following components:
callthe match call.
knumber of neighbours considered.
nnumber of predicted values, either equals test size or train size.
preda vector of predicted values.
residualspredicted residuals. NULL
if test
is supplied.
PRESSthe sums of squares of the predicted residuals. NULL
if test
is supplied.
R2Predpredicted R-square. NULL
if test
is supplied.