Vidyalelo
Data Science · all questions

Machine Learning Algorithms
practice.

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The advantage of using a model-based approach is that is more closely tied to the model performance.

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Which of the following is correct order of working?

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Which of the following curve analysis is conducted on each predictor for classification?

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Which of the following is correct with respect to random forest?

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For k cross-validation, smaller k value implies less variance.

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The principal components are equal to left singular values if you first scale the variables.

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Which of the following function can be used to identify near zero-variance variables?

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Point out the wrong statement.

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Point out the correct statement.

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Which of the following can be used to impute data sets based only on information in the training set?

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Point out the wrong statement.

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Which of the following shows correct relative order of importance?

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caret does not use the proxy package.

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varImp is a wrapper around the evimp function in the . . . . . . . . package.

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Which of the following method is used for trainControl resampling?

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Which of the following methods are present in caret for regularized regression?

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Which of the following function can be used to flag predictors for removal?

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Which of the following method can be used to combine different classifiers?

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