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Dear candidates you will find MCQ questions of Machine Learning (ML) here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

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Mr. Dubey • 51.17K Points
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Q. 301) Can we extract knowledge without apply feature selection

(A) yes
(B) no
(C) ---
(D) ---
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Mr. Dubey • 51.17K Points
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Q. 302) While using feature selection on the data, is the number of features decreases.

(A) no
(B) yes
(C) ---
(D) ---
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Mr. Dubey • 51.17K Points
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Q. 303) Which of the following are several models

(A) regression
(B) classification
(C) ---
(D) ---
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Mr. Dubey • 51.17K Points
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Q. 304)           provides some built-in datasets that can be used for testing purposes.

(A) scikit-learn
(B) classification
(C) regression
(D) none of the above
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Mr. Dubey • 51.17K Points
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Q. 305) While using           all labels are turned into sequential numbers.

(A) labelencoder class
(B) labelbinarizer class
(C) dictvectorizer
(D) featurehasher
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Mr. Dubey • 51.17K Points
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Q. 306)              produce sparse matrices of real numbers that can be fed into any machine learning model.

(A) dictvectorizer
(B) featurehasher
(C) both a & b
(D) none of the mentioned
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Mr. Dubey • 51.17K Points
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Q. 307) scikit-learn offers the class           , which is responsible for filling the holes using a strategy based on the mean, median, or frequency

(A) labelencoder
(B) labelbinarizer
(C) dictvectorizer
(D) imputer
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Mr. Dubey • 51.17K Points
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Q. 308) Which of the following scale data by removing elements that don't belong to a given range or by considering a maximum absolute value.

(A) minmaxscaler
(B) maxabsscaler
(C) both a & b
(D) none of the mentioned
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Mr. Dubey • 51.17K Points
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Q. 309) scikit-learn also provides a class for per- sample normalization,          

(A) normalizer
(B) imputer
(C) classifier
(D) all above
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Mr. Dubey • 51.17K Points
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Q. 310)            dataset with many features contains information proportional to the independence of all features and their variance.

(A) normalized
(B) unnormalized
(C) both a & b
(D) none of the mentioned
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