`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.