Machine Learning - Practice Test

[#186] For a multiple regression model, SST = 200 and SSE = 50. The multiple coefficient of determination is

(A) 0.25

(B) 4

(C) 0.75

(D) none of the above

(E) 0.25

(F) 4

(G) 0.75

(H) none of the above

Correct Answer

(B) 4
(F) 4

[#187] Which of the following method(s) does not have closed form solution for its coefficients?

(A) ridge regression

(B) lasso

(C) both ridge and lasso

(D) none of both

(E) ridge regression

(F) lasso

(G) both ridge and lasso

(H) none of both

Correct Answer

(B) lasso
(F) lasso

[#188] Which of the following model model include a backwards elimination feature selection routine?

(A) mcv

(B) mars

(C) mcrs

(D) all above

(E) mcv

(F) mars

(G) mcrs

(H) all above

Correct Answer

(B) mars
(F) mars

[#189] How is the model capacity affected with dropout rate (where model capacity means the ability of a neural network to approximate complex functions)?

(A) model capacity increases in increase in dropout rate

(B) model capacity decreases in increase in dropout rate

(C) model capacity is not affected on increase in dropout rate

(D) none of these

(E) model capacity increases in increase in dropout rate

(F) model capacity decreases in increase in dropout rate

(G) model capacity is not affected on increase in dropout rate

(H) none of these

Correct Answer

(B) model capacity decreases in increase in dropout rate
(F) model capacity decreases in increase in dropout rate

[#190] During the treatement of cancer patients , the doctor needs to be very careful about which patients need to be given chemotherapy.Which metric should we use in order to decide the patients who should given chemotherapy?

(A) precision

(B) recall

(C) call

(D) score

(E) precision

(F) recall

(G) call

(H) score

Correct Answer

(A) precision
(E) precision

Machine Learning - Study Mode

[#186] For a multiple regression model, SST = 200 and SSE = 50. The multiple coefficient of determination is

Correct Answer

[#187] Which of the following method(s) does not have closed form solution for its coefficients?

Correct Answer

[#188] Which of the following model model include a backwards elimination feature selection routine?

Correct Answer

[#189] How is the model capacity affected with dropout rate (where model capacity means the ability of a neural network to approximate complex functions)?

Correct Answer

[#190] During the treatement of cancer patients , the doctor needs to be very careful about which patients need to be given chemotherapy.Which metric should we use in order to decide the patients who should given chemotherapy?

Correct Answer