Machine Learning Algorithms MCQ Questions and Answers

1

Which of the following can be used to generate balanced cross–validation groupings from a set of data?

A) createFolds B) createSample C) createResample D) none of the mentioned

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Answer & Solution

Answer: Option A

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2

Point out the wrong statement.

A) In every situation, the data generating mechanism can create predictors that only have a single unique value B) Predictors might have only a handful of unique values that occur with very low frequencies C) The function findLinearCombos uses the QR decomposition of a matrix to enumerate sets of linear combinations D) All of the mentioned

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Answer & Solution

Answer: Option A

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3

Which of the following function tracks the changes in model statistics?

A) varImp B) varImpTrack C) findTrack D) none of the mentioned

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Answer & Solution

Answer: Option A

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4

Backtesting is a key component of effective trading-system development.

A) True B) False

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Answer & Solution

Answer: Option A

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5

Which of the following function can be used to maximize the minimum dissimilarities?

A) sumDiss B) minDiss C) avgDiss D) all of the mentioned

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Answer & Solution

Answer: Option D

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6

Which of the following function is a wrapper for different lattice plots to visualize the data?

A) levelplot B) featurePlot C) plotsample D) none of the mentioned

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Answer & Solution

Answer: Option B

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7

Which of the following is the valid component of the predictor?

A) data B) question C) algorithm D) all of the mentioned

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Answer & Solution

Answer: Option D

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8

Which of the following trade-off occurs during prediction?

A) Speed vs Accuracy B) Simplicity vs Accuracy C) Scalability vs Accuracy D) None of the mentioned

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Answer & Solution

Answer: Option D

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9

Point out the wrong statement.

A) ROC curve stands for receiver operating characteristic B) Foretime series, data must be in chunks C) Random sampling must be done with replacement D) None of the mentioned

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Answer & Solution

Answer: Option D

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10

Which of the following function can create the indices for time series type of splitting?

A) newTimeSlices B) createTimeSlices C) binTimeSlices D) none of the mentioned

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Answer & Solution

Answer: Option B

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Machine Learning Algorithms MCQ Questions and Answers | Data Science MCQs