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81
Supervised learning and unsupervised clustering both require at least one
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Answer: Option A
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82
Which of the following sentences are correct in reference to Information gain? a. It is biased towards single-valued attributes b. It is biased towards multi-valued attributes c. ID3 makes use of information gain d. The approact used by ID3 is greedy
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Answer: Option C
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83
Even if there are no actual supervisors . . . . . . . . learning is also based on feedback provided by the environment
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Answer: Option B
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84
A feature F1 can take certain value: A, B, C, D, E & F and represents grade of students from a college. Which of the following statement is true in following case?
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Answer: Option B
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85
When it is necessary to allow the model to develop a generalization ability and avoid a common problem called . . . . . . . .
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Answer: Option A
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86
Which of the following is true about Manhattan distance?
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Answer: Option A
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87
Suppose, you have 2000 different models with their predictions and want to ensemble predictions of best x models. Now, which of the following can be a possible method to select the best x models for an ensemble?
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Answer: Option C
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88
In a linear regression problem, we are using "R-squared" to measure goodness-of-fit. We add a feature in linear regression model and retrain the same model. Which of the following option is true?
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Answer: Option C
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89
True or False: Ensemble of classifiers may or may not be more accurate than any of its individual model.
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Answer: Option A
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90
In terms of bias and variance. Which of the following is true when you fit degree 2 polynomial?
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Answer & Solution
Answer: Option C
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