試題詳解

15. Which of the following statements is CORRECT?
(A) DBSCAN is an algorithm for scanning database information and building indexes.
(B) Naïve Bayes Classifier assumes all features are independent of each other, making it suitable for any dataset.
(C) The first projection direction of PCA is the direction that maximizes the separation between different data classes.
(D) K-means refers to a method of classifying data by using a linear combination of K weak classifiers.
(E) Sequential forward selection is a feature selection method where, at each step, the feature that improves classification performance the most is chosen.