McqMate
| Q. |
Which of the following is a reasonable way to select the number of principal components "k"? |
| A. | Choose k to be the smallest value so that at least 99% of the varinace is retained. |
| B. | Choose k to be 99% of m (k = 0.99*m, rounded to the nearest integer). |
| C. | Choose k to be the largest value so that 99% of the variance is retained. |
| D. | Use the elbow method. |
| Answer» A. Choose k to be the smallest value so that at least 99% of the varinace is retained. | |
View all MCQs in
BigdataNo comments yet