Question

Consider the following data:


Feature 1 _ Feature2 _ class

1 _ 1 _ A

2 _ 3 _ A

2 _ 4 _ A

5 _ 3 _ A

8 _ 6 _ B

8 _ 8 _ B

9 _ 6 _ B

11 _ 7 _ B

Assuming that you apply LDA to this data, what is the estimated covariance matrix?


1) [1.875 0.3125

0.3125 0.9375 ]


2)[2.5 0.4167

0.4167 1.25 ]


3)[2.1428 0.3571

0.3571 1.0714 ]


4)[1.6667 0.2778

0.2778 0.8333 ]


5)None of these

Answer 1

Answer:

5 ) None of this may be not sure