Which of the following is a reasonable way to select the number of principal components quot k quot ........

Computer Science (CUET) MCQ practise

Which of the following is a reasonable way to select the number of principal components "k"?

Choose k to be the smallest value so that at least 99% of the varinace is retained.

Choose k to be 99% of m (k = 0.99*m, rounded to the nearest integer).

Choose k to be the largest value so that 99% of the variance is retained.

Use the elbow method.

This will maintain the structure of the data and also reduce its dimension.

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