Data mining15

0. Suppose, you have given the following data where x and y are the 2 input variables and Class is the dependent variable.
x y Class
-1 1 -
0 1 +
0 2 -
1 -1 -
1 0 +
1 2 +
2 2 -
2 3 +
Below is a scatter plot which shows the above data in 2D space.

Suppose, you want to predict the class of new data point x=1 and y=1 using Eucledian distance in 3-NN. In which class this data point belong to?

Answer
Comment
Array

Option : A
Explanation :
All three nearest point are of +class so this point will be classified as +class.

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