How it's possible to use a different placeholder through the parameter . . . . . . . .
A. regression
B. classification
C. random_state
D. missing_values
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Which of the following is a categorical data?
A. branch of bank
B. expenditure in rupees
C. prize of house
D. weight of a person
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The F-test
A. an omnibus test
B. considers the reduction in error when moving from the complete model to the reduced model
C. considers the reduction in error when moving from the reduced model to the complete model
D. can only be conceptualized as a reduction in error
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Linear Regression is a supervised machine learning algorithm.
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Which of the following are supervised learning applications
A. Spam detection, Pattern detection, Natural Language Processing
B. Image classification, Real-time visual tracking
C. Autonomous car driving, Logistic optimization
D. Bioinformatics, Speech recognition
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Which of the following is a good test dataset characteristic?
A. large enough to yield meaningful results
B. is representative of the dataset as a whole
C. both A and B
D. none of the above
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Features being classified is . . . . . . . . of each other in Nave Bayes Classifier
A. independent
B. dependent
C. partial dependent
D. none
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The gini index is not biased towards multivalued attributed.
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This unsupervised clustering algorithm terminates when mean values computed for the current iteration of the algorithm are identical to the computed mean values for the previous iteration.
A. agglomerative clustering
B. conceptual clustering
C. k-means clustering
D. expectation maximization
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In syntax of linear model lm(formula,data,..), data refers to . . . . . . . .
A. Matrix
B. Vector
C. Array
D. List
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This clustering algorithm terminates when mean values computed for the current iteration of the algorithm are identical to the computed mean values for the previous iteration Select one:
A. k-means clustering
B. conceptual clustering
C. expectation maximization
D. agglomerative clustering
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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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Which of the following function provides unsupervised prediction ?
A. cl_forecastb
B. cl_nowcastc
C. cl_precastd
D. none of the mentioned
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In the last decade, many researchers started training bigger and bigger models, built with several different layers that's why this approach is called . . . . . . . .
A. Deep learning
B. Machine learning
C. Reinforcement learning
D. Unsupervised learning
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Which of the following statement(s) can be true post adding a variable in a linear regression model? 1. R-Squared and Adjusted R-squared both increase 2. R-Squared increases and Adjusted R-squared decreases 3. R-Squared decreases and Adjusted R-squared decreases 4. R-Squared decreases and Adjusted R-squared increases
A. 1 and 2
B. 1 and 3
C. 2 and 4
D. None of the above
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Which of the following option is true about k-NN algorithm?
A. it can be used for classification
B. it can be used for regression
C. it can be used in both classification and regression
D. not useful in ml algorithm
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Feature can be used as a
A. binary split
B. predictor
C. both a and b
D. none of the above
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The average positive difference between computed and desired outcome values.
A. root mean squared error
B. mean squared error
C. mean absolute error
D. mean positive error
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The most general form of distance is
A. manhattan
B. eucledian
C. mean
D. minkowski
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In SVM, RBF kernel with appropriate parameters to perform binary classification where the data is non-linearly seperable. In this scenario
A. the decision boundry in the transformed feature space in non-linear
B. the decision boundry in the transformed feature space in linear
C. the decision boundry in the original feature space in not considered
D. the decision boundry in the original feature space in linear
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