Machine Learning - Practice Test

[#201] What is the Accuracy in percentage based on following confusion matrix of three class classification. Confusion Matrix C= [14 0 0] [ 1 15 0] [ 0 0 6]

(A) 0.75

(B) 0.97

(C) 0.95

(D) 0.85

(E) 0.75

(F) 0.97

(G) 0.95

(H) 0.85

Correct Answer

(B) 0.97
(F) 0.97

[#202] Suppose you are using RBF kernel in SVM with high Gamma value. What does this signify?

(A) The model would consider even far away points from hyperplane for modeling

(B) The model would consider only the points close to the hyperplane for modeling

(C) The model would not be affected by distance of points from hyperplane for modeling

(D) None of the above

(E) The model would consider even far away points from hyperplane for modeling

(F) The model would consider only the points close to the hyperplane for modeling

(G) The model would not be affected by distance of points from hyperplane for modeling

(H) None of the above

Correct Answer

(B) The model would consider only the points close to the hyperplane for modeling
(F) The model would consider only the points close to the hyperplane for modeling

[#203] The difference between the actual Y value and the predicted Y value found using a regression equation is called the

(A) slope

(B) residual

(C) outlier

(D) scatter plot

(E) slope

(F) residual

(G) outlier

(H) scatter plot

Correct Answer

(A) slope
(E) slope

[#204] Which of the following method is used for multiclass classification?

(A) one vs rest

(B) loocv

(C) all vs one

(D) one vs another

(E) one vs rest

(F) loocv

(G) all vs one

(H) one vs another

Correct Answer

(A) one vs rest
(E) one vs rest

[#205] To determine association rules from frequent item sets

(A) only minimum confidence needed

(B) neither support not confidence needed

(C) both minimum support and confidence are needed

(D) minimum support is needed

(E) only minimum confidence needed

(F) neither support not confidence needed

(G) both minimum support and confidence are needed

(H) minimum support is needed

Correct Answer

(C) both minimum support and confidence are needed
(G) both minimum support and confidence are needed

Machine Learning - Study Mode

[#201] What is the Accuracy in percentage based on following confusion matrix of three class classification. Confusion Matrix C= [14 0 0] [ 1 15 0] [ 0 0 6]

Correct Answer

[#202] Suppose you are using RBF kernel in SVM with high Gamma value. What does this signify?

Correct Answer

[#203] The difference between the actual Y value and the predicted Y value found using a regression equation is called the

Correct Answer

[#204] Which of the following method is used for multiclass classification?

Correct Answer

[#205] To determine association rules from frequent item sets

Correct Answer