In the picture below, there are nine training points, each with label either square or star. These will

be used to guess the label of a query point at $(3\mathrm{.}5,4\mathrm{.}5),$ indicated by a circle.$642$

$0246$

Suppose Euclidean distance is used.

$0-2$

CSE $151$ Homework $0$ Winter $2019$

$($a$)$ How will the point be classified by $1-$NN$?$ The options are square, star, or ambiguous. $($b$)$ By $3-$NN$?$

$($c$)$ By $5-$NN$?$ i am having trouble finding teh x