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Machine Learning Practice · Quiz 1 · 26 Feb 2023 · January 2023 term

Question 4: Consider following data: \mathbf{X} = \begin{bmatrix} 8 &…

Question 4

+1 markOne correct option

Consider following data:

X=[83np.nan83np.nan10677]\mathbf{X} = \begin{bmatrix} 8 & 3 \\ np.nan & 8 \\ 3 & np.nan \\ 10 & 6 \\ 7 & 7 \end{bmatrix}

What will be the output of the following code? (Assume necessary imports)

python
si = SimpleImputer(strategy='mean')
Xnew = si.fit_transform(X)
print(f'{Xnew[1,0]}, {Xnew[2,1]}')
  1. A

    7,6

  2. B

    6,6

  3. C

    6,7

  4. D

    7,7

Show answer

Correct answer

  • A

    7,6

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Question 4 of 23 in the IIT Madras BS Machine Learning Practice (MLP) Quiz 1 paper sat on 26 Feb 2023, in the January 2023 term (IIT M DIPLOMA AN2 EXAM QPD2 26 Feb 2023). It carries 1 mark.

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