K-NN python

In the K-NN algorithm, do we need to specify the number of neighbors?

• Yes

• No

K-NN is a linear classifier.

• True

• False

K-NN prediction boundary usually looks like a smooth curve.

• True

• False

In Python, what is the class used to create a K-NN classifier?

• KNN

• KNeighborsClassifier

• KNearestNeighbors

• KNearestNeighborsClassifier

What is the default parameter for the number of neighbors k?

• k = 2

• k = 3

• k = 5

• k = 10

• k = 100