a) postProcess b) preProcess c) process d) all of the mentioned Answer: b Explanation: This can be ...
View QuestionPoint out the correct statement.
a) findLinearColumns will also return a vector of column positions can be removed to eliminate the linear dependencies
View QuestionWhich of the following function can be used to flag predictors for removal?
a) searchCorrelation b) findCausation c) findCorrelation d) none of the mentioned Answer: c Explanation: Some models thrive ...
View QuestionWhich of the following function can be used to identify near zero-variance variables?
a) zeroVar b) nearVar c) nearZeroVar d) all of the mentioned Answer: c Explanation: The saveMetrics argument ...
View QuestionWhich 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 Answer: b Explanation: featurePlot is used ...
View QuestionWhich of the following package tools are present in caret?
a) pre-processing b) feature selection c) model tuning d) all of the mentioned Answer: d Explanation: There ...
View QuestionWhich of the following function can be used to create balanced splits of the data?
a) newDataPartition b) createDataPartition c) renameDataPartition d) none of the mentioned Answer: b Explanation: If the y ...
View Questioncaret does not use the proxy package.
a) True b) False Answer: b Explanation: caret uses the proxy package.
View QuestionWhich of the following can be used to create sub–samples using a maximum dissimilarity approach?
a) minDissim b) maxDissim c) inmaxDissim d) all of the mentioned Answer: b Explanation: Splitting is based ...
View QuestionPoint out the correct statement.
a) Asymptotics are used for inference usually b) Caret includes several functions to pre-process the predictor data c) ...
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