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[#131] . . . . . . . . provides some built-in datasets that can be used for testing purposes.

(A) scikit-learn

(B) classification

(C) regression

(D) none of the above

(E) scikit-learn

(F) classification

(G) regression

(H) none of the above

Correct Answer

(A) scikit-learn
(E) scikit-learn

[#132] The leaf nodes of a model tree are

(A) averages of numeric output attribute values.

(B) nonlinear regression equations.

(C) linear regression equations.

(D) sums of numeric output attribute values.

(E) averages of numeric output attribute values.

(F) nonlinear regression equations.

(G) linear regression equations.

(H) sums of numeric output attribute values.

Correct Answer

[#133] The parameter . . . . . . . . allows specifying the percentage of elements to put into the test/training set

(A) test_size

(B) training_size

(C) All above

(D) None of these

(E) test_size

(F) training_size

(G) All above

(H) None of these

Correct Answer

[#134] How do you handle missing or corrupted data in a dataset?

(A) Drop missing rows or columns

(B) Replace missing values with mean/median/mode

(C) Assign a unique category to missing values

(D) All of the above

(E) Drop missing rows or columns

(F) Replace missing values with mean/median/mode

(G) Assign a unique category to missing values

(H) All of the above

Correct Answer

(D) All of the above
(H) All of the above

[#135] What is the naive assumption in a Naive Bayes Classifier.

(A) all the classes are independent of each other

(B) all the features of a class are independent of each other

(C) the most probable feature for a class is the most important feature to be cinsidered for classification

(D) all the features of a class are conditionally dependent on each other

(E) all the classes are independent of each other

(F) all the features of a class are independent of each other

(G) the most probable feature for a class is the most important feature to be cinsidered for classification

(H) all the features of a class are conditionally dependent on each other

Correct Answer

(D) all the features of a class are conditionally dependent on each other
(H) all the features of a class are conditionally dependent on each other