Machine Learning - Study Mode
[#81] Hierarchical agglomerative clustering is typically visualized as?
Correct Answer
(A) dendrogram
(E) dendrogram
[#82] Commons unsupervised applications include
Correct Answer
(D) all above
(H) all above
[#83] The multiple coefficient of determination is computed by
Correct Answer
(C) dividing sst by sse
(G) dividing sst by sse
[#84] The most popularly used dimensionality reduction algorithm is Principal Component Analysis (PCA). Which of the following is/are true about PCA? 1. PCA is an unsupervised method 2. It searches for the directions that data have the largest variance 3. Maximum number of principal components <= number of features 4. All principal components are orthogonal to each other
Correct Answer
(D) all of the above
(H) all of the above
[#85] A term used to describe the case when the independent variables in a multiple regression model are correlated is
Correct Answer
(C) multicollinearity
(G) multicollinearity